Chapter V.

What is the Principal Part of the Soul, and in what Part of the Body it Resides.

Plato and Democritus place its residence in the whole head. Strato, in that part of the forehead where the eyebrows¹ are separated. Erasiatratus, in the Epikranis, or membrane² which involves the brain. Herophilus, in that sinus of the brain which is the basis of it. Parmenides, in the breast; which opinion is embraced by Epicurus. The Stoics³ are generally of this opinion, that the seat of the soul is throughout the heart, or in the spirit about it. Diogenes, in the arterial ventricle of the heart, which is also full of vital spirit. Empedocles, in the mass of the blood. There are that say it is in the neck of the heart, others in the pericardium, others in the midriff. Certain of the Neoterics, that the seat of the soul is extended from the head to the diaphragm. Pythagoras, that the animal part of the soul resides in the heart, the intellectual in the head.

1 eyebrows   

眉毛( eyebrow的名词复数 )

参考例句：

• Eyebrows stop sweat from coming down into the eyes. 眉毛挡住汗水使其不能流进眼睛。
• His eyebrows project noticeably. 他的眉毛特别突出。

2 membrane   

n.薄膜，膜皮，羊皮纸

参考例句：

• A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振动帮助声音传送到大脑。
• A plastic membrane serves as selective diffusion barrier.一层塑料薄膜起着选择性渗透屏障的作用。

3 stoics   

禁欲主义者，恬淡寡欲的人，不以苦乐为意的人( stoic的名词复数 )

参考例句：

• Stoics I can handle this shit. 斯多葛：我能掌握这大便。
• The most famous exercise of meditation is the premeditatio mallorum as practiced by the Stoics. 冥思最著名的练习是禁欲学派所实行的[消灾冥思]。