Truth exists for the wise, beauty for the feeling heart.
Art is the right hand of Nature. The latter has only given us being, the former has made us men.
The mountain cannot frighten one who was born on it.
No greater grief than to remember days of gladness when sorrow is at hand.
To one, science is an exalted goddess; to another it is a cow which provides him with butter.
It would be necessary that they should be already sages to love wisdom...