IV ENVIRONMENT

 The acorn¹ will inevitably² produce the oak tree and it will grow true to its pattern. All seeds and cells will do likewise. Still if the acorn is planted in good soil, where it is properly nourished and in a spot where it is sufficiently³ sheltered, the tree will be more likely to become large and symmetrical, than if it is planted in poor soil or in an exposed spot.

 

In one sense heredity is the seed, and environment the soil. The whole structure and pattern and inherent tendencies and potentiality are in the seed and cannot be changed. The child has nothing to do with its early environment during the period when impressions sink the deepest and when habits are formed. It is then that the meaning of facts is interpreted. At this time the child is fashioned by the teachings and environment in which it is placed. As the child receives its first impressions, and all along through its development, it is forming habits from those about it. These habits come to be strong, dominating forces in its life. Very few people, if any, can trace definite views of conduct or thought to their conscious effort, but these are born of their structure and the environment that formed their habits after birth.

 

The fact that an individual's political and religious faith depends almost entirely⁴ on his place of birth and early youth, shows the strength of environment in forming and shaping opinions and beliefs.

 

As the child grows and develops, it is influenced by all that surrounds it. The human machine moves in response to outside stimulation⁵. How it will move depends upon two things, the character of the stimulant⁶ and the machine to which it is applied⁷. No two machines will act exactly alike from the same stimulus⁸. Sometimes they act in diametrically opposite ways. For instance, under the same stimulation, one may run and another may fight, depending perhaps on the secretions⁹ that the ductless glands¹⁰ empty into the blood.

 

No machine can act except according to its make-up. Even an ignorant person, who finds that the same stimulant produces different results on different machines, would know that the structures are not the same.

 

Endless discussions have been devoted¹¹ to the relative importance of heredity and environment in human conduct. This is a fruitless task. In a sense, each one is of supreme¹² importance in the outcome of a life. It is obvious that some structures are so perfect that almost no environment will overcome them. Instances of strong men developing out of poor environment are not rare. Many of these may be subject to doubt as to whether the heredity caused the strength, for the smallest particle of luck at some special or vital time may make all the difference possible in the outcome of a life. While some heredities withstand a poor environment, others are so poor that, no matter how good the environment, the machine cannot survive. An idiot is an illustration of one whom environment cannot change. No heredity will overcome the hardest environment. The old saying, "every man has his price," is true in this sense, that every machine will stand just so much and no more. Some machines reach the breaking point soon and some later, but all have their limit. Most people have a heredity that is not the best nor yet the worst. Given an imperfect machine, they are thrown into a certain environment, and then up to the capacity of their machines the outcome depends entirely on the environment. Given an environment easy enough they will succeed, or at least "get by." Given a hard environment they will fail, or "go down." Tens of thousands of men live in a comparatively easy environment and pass their lives as useful citizens with no taint¹³ of criminality to their names, who under a hard environment would be found in prison. On the other hand, perhaps most of the inmates¹⁴ of prisons would have lived as respected citizens if their environment had not been so hard. Heredity has everything to do with making the machine strong and capable, or weak and useless; but when the machine is made and thrown on the world in its imperfect shape, environment has everything to do in determining what its fate shall be.

1 acorn   

n.橡实，橡子

参考例句：

• The oak is implicit in the acorn.橡树孕育于橡子之中。
• The tree grew from a small acorn.橡树从一粒小橡子生长而来。

2 inevitably   

adv.不可避免地；必然发生地

参考例句：

• In the way you go on,you are inevitably coming apart.照你们这样下去，毫无疑问是会散伙的。
• Technological changes will inevitably lead to unemployment.技术变革必然会导致失业。

3 sufficiently   

adv.足够地，充分地

参考例句：

• It turned out he had not insured the house sufficiently.原来他没有给房屋投足保险。
• The new policy was sufficiently elastic to accommodate both views.新政策充分灵活地适用两种观点。

4 entirely   

ad.全部地，完整地；完全地，彻底地

参考例句：

• The fire was entirely caused by their neglect of duty. 那场火灾完全是由于他们失职而引起的。
• His life was entirely given up to the educational work. 他的一生统统献给了教育工作。

5 stimulation   

n.刺激，激励，鼓舞

参考例句：

• The playgroup provides plenty of stimulation for the children.幼儿游戏组给孩子很多启发。
• You don't get any intellectual stimulation in this job.你不能从这份工作中获得任何智力启发。

6 stimulant   

n.刺激物，兴奋剂

参考例句：

• It is used in medicine for its stimulant quality.由于它有兴奋剂的特性而被应用于医学。
• Musk is used for perfume and stimulant.麝香可以用作香料和兴奋剂。

7 applied   

adj.应用的；v.应用，适用

参考例句：

• She plans to take a course in applied linguistics.她打算学习应用语言学课程。
• This cream is best applied to the face at night.这种乳霜最好晚上擦脸用。

8 stimulus   

n.刺激，刺激物，促进因素，引起兴奋的事物

参考例句：

• Regard each failure as a stimulus to further efforts.把每次失利看成对进一步努力的激励。
• Light is a stimulus to growth in plants.光是促进植物生长的一个因素。

9 secretions   

n.分泌（物）( secretion的名词复数 )

参考例句：

• Lysozyme is an enzyme found in egg white, tears, and other secretions. 溶菌酶是存在于卵白、泪和其他分泌物中的一种酶。 来自辞典例句
• Chest percussion and vibration are used with postural drainage to help dislodge secretions. 在做体位引流时要敲击和振动胸部帮助分泌物松动排出。 来自辞典例句

10 glands   

n.腺( gland的名词复数 )

参考例句：

• a snake's poison glands 蛇的毒腺
• the sebaceous glands in the skin 皮脂腺

11 devoted   

adj.忠诚的，忠实的，热心的，献身于...的

参考例句：

• He devoted his life to the educational cause of the motherland.他为祖国的教育事业贡献了一生。
• We devoted a lengthy and full discussion to this topic.我们对这个题目进行了长时间的充分讨论。

12 supreme   

adj.极度的，最重要的；至高的，最高的

参考例句：

• It was the supreme moment in his life.那是他一生中最重要的时刻。
• He handed up the indictment to the supreme court.他把起诉书送交最高法院。

13 taint   

n.污点；感染；腐坏；v.使感染；污染

参考例句：

• Everything possible should be done to free them from the economic taint.应尽可能把他们从经济的腐蚀中解脱出来。
• Moral taint has spread among young people.道德的败坏在年轻人之间蔓延。

14 inmates   

n.囚犯( inmate的名词复数 )

参考例句：

• One of the inmates has escaped. 被收容的人中有一个逃跑了。 来自《简明英汉词典》
• The inmates were moved to an undisclosed location. 监狱里的囚犯被转移到一个秘密处所。 来自《简明英汉词典》