PROBLEM II. THE NERVOUS MECHANISM.

 “All the functions of the nervous system are as dependent upon its structure and nature, as the accurate indication of time upon the construction of the chronometer¹.”—Prochaska.

“Unser Wissen wird nie vollendet, ist und bleibt Stückwerk; dessen Erg?nzung das Streben und Hoffen der forschenden Denker bleiben wird für alle Zeit.”—Radenhausen, Osiris.

“Our nimble souls

Can spin an insubstantial universe

Suiting our mood, and call it possible,

Sooner than see one grain with eye exact,

And give strict record of it.”

George Eliot, The Spanish Gypsy.

“If we compare the teachings of our books with what Nature is constantly showing, we find there is no agreement between those two sources of learning.”—Brown Séquard.

1 chronometer   

n.精密的计时器

参考例句：

• Murchison followed with his eye the hand of his chronometer.莫奇生的眼睛追随着他的时计的秒针。
• My watch is more expensive because it's a chronometer.我的手表是精密型的，所以要比你的贵。