There are ages in which the rational man and the intuitive man stand side by side, the one in fear of intuition, the other with scorn for abstraction. The latter is just as irrational as the former is inartistic.

The best weapon against an enemy is another enemy.

To learn to see- to accustom the eye to calmness, to patience, and to allow things to come up to it; to defer judgment, and to acquire the habit of approaching and grasping an individual case from all sides. This is the first preparatory schooling of intellectuality. One must not respond immediately to a stimulus; one must acquire a command of the obstructing and isolating instincts.

Not doubt, certainty is what drives one insane.

Shared joys make a friend, not shared sufferings.

Living in a constant chase after gain compels people to expend their spirit to the point of exhaustion.

Live so that thou mayest desire to live again - that is thy duty - for in any case thou wilt live again!