The coward only threatens when he is safe.
The formation of one’s character ought to be everyone’s chief aim.
The credit of advancing science has always been due to individuals and never to the age.
Nothing is more terrible than to see ignorance in action.
What is my life if I am no longer useful to others.
Love and desire are the spirit’s wings to great deeds.
It is after all the greatest art to limit and isolate oneself.
Letters are among the most significant memorial a person can leave behind them.
To rule is easy, to govern difficult.
Error is acceptable as long as we are young; but one must not drag it along into old age.