Real sorrow is incompatible with hope. No matter how great that sorrow may be, hope raises it one hundred cubits higher.

Although according to certain philosophers it is quite difficult to distinguish the jester from the melancholic, life itself being a comic drama or a dramatic comedy.

Melancholy and sadness are the start of doubt... doubt is the beginning of despair; despair is the cruel beginning of the differing degrees of wickedness.

It is a power stronger than will. Could a stone escape from the laws of gravity? Impossible. Impossible, for evil to form an alliance with good.

I will leave no memoirs.

Arithmetic! Algebra! Geometry! Grandiose trinity! Luminous triangle! Whoever has not known you is without sense!

Taste is the fundamental quality which sums up all other qualities. It is the ne plus ultra of the intelligence.