What better book can there be than the book of humanity.
A person who is worried about the outcome of his work does not see his goal; he sees only his opposition and the obstacles before him.
A man who behaves like a beast is worse than the beast.
If everybody lives by the sweat of his brow, the earth will become a paradise.
He who gives up action falls. He who gives up the reward rises. But renunciation of fruit in no way means indifference to the result.
A love that is based on the goodness of those whom you love is a mercenary affair.