Le rire est le soleil qui chasse l'hiver du visage humain.
The man with a toothache thinks everyone happy whose teeth are sound. The poverty-stricken man makes the same mistake about the rich.
The future of energy lies in balancing the needs of today with the responsibilities of tomorrow.
The only way to do great work is to love what you do.
最重要的教育原则是不要爱惜时间，要浪费时间。
The desire for recognition, the thymotic part of the soul, is the most political part of man.
The higher the flight, the harder the fall.