Success is not the key to happiness. Happiness is the key to success.
成功不是幸福的关键，幸福才是成功的关键。
正是在你做出决定的时刻，你的命运被塑造。
A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
The desire for recognition, the thymotic part of the soul, is the most fundamentally human part of the soul.
The key to happiness is to have dreams. The key to success is to make your dreams come true.
The human being is the only animal that thinks about the future.