Happiness is when you think, what you say, and what you do are in harmony.
It is unwise to be sure of one’s own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err.
Truth resides in every human heart, and one has to search for it there and to be guided by truth as one sees it. But no one has a right to coerce others to act according to his own view of truth.
Strength does not come from physical capacity. It comes from an indomitable will.