Clever people will recognize and tolerate nothing but cleverness.
What we do not understand we have no right to judge
If nationality is consent, the state is compulsion.
It is dangerous to abandon one's self to the luxury of grief; it deprives one of courage, and even of the wish for recovery.
A belief is not true simply because it is useful.
The mind must have for ballast the clear conception of duty, if it is not to fluctuate between levity and despair.