Some mathematician, I believe, has said that true pleasure lies not in the discovery of truth, but in the search for it.
Then he thought himself unhappy, but happiness was all in the future; now he felt that the best happiness was already in the past.
If everyone fought for their own convictions there would be no war.
He was right in saying that the only certain happiness in life is to live for others.
How can one be well...when one suffers morally?
There is nothing more harmful to you than improving only your material, animal side of life. There is nothing more beneficial, both for you and for others, than activity directed to the improvement of your soul.