Our greatest indulgence towards a man springs from our despair of him.

One remains young as long as one can still learn, can still take on new habits, can bear contradictions.

An opinion may be controverted; a prejudice, never.

Fools usually know best that which the wise despair of ever comprehending.

He who believes in freedom of the will has never loved and never hated.

Whoever prefers the material comforts of life over intellectual wealth is like the owner of a palace who moves into the servants’ quarters and leaves the sumptuous rooms empty.

Many think they have a kind heart who have only weak nerves.