"All truly wise thoughts have been thought already thousands of times; but to make them truly ours, we must think them over again honestly, till they take root in our personal experience."
More quotes from the same author
A clever man commits no minor blunders.
A person places themselves on a level with the ones they praise.
All intelligent thoughts have already been thought; what is necessary is only to try to think them again.
A correct answer is like an affectionate kiss.
A useless life is an early death.
Age merely shows what children we remain.
What is not started today is never finished tomorrow.
A creation of importance can only be produced when its author isolates himself, it is a child of solitude.
A man's manners are a mirror in which he shows his portrait.
A noble person attracts noble people, and knows how to hold on to them.