The world belongs to optimists; the pessimists are only spectators.
If I had not smoked I should have been dead ten years ago.
Nothing falsifies history more than logic.
Common sense is the genius of mankind.
Modesty is a shining light; it prepares the mind to receive knowledge, and the heart for truth.
The effect of great and inevitable misfortune is to elevate those souls which it does not deprive of all virtue.