Dearer than eye-sight, space, and liberty; Beyond what can be valued, rich or rare;
The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.
The great powers are always searching for opportunities to gain power at the expense of their rivals, which makes them inherently aggressive.
真正理解某人的唯一方法是毫无评判地倾听他们。
Success is not the key to happiness. Happiness is the key to success.