In the best, the friendliest and simplest relations flattery or praise is necessary, just as grease is necessary to keep wheels turning.
One can live magnificently in this world if one knows how to work and how to love.
If you want to be happy, try only to please God, not people.
Truth, like gold, is to be obtained not by its growth, but by washing away from it all that is not gold.
When you feel the desire for power, you should stay in solitude for some time
A man's every action is inevitably conditioned by what surrounds him and by his own body.