There is no method but to be very intelligent.
除了非常聪明之外，别无他法。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
乐观主义者认为这是所有可能世界中最好的一个。悲观主义者则担心这是真的。
The true value of a forest is measured not in board feet, but in biodiversity.
我发现时间可以治愈几乎所有事情。
想要懂得今天，就必须研究昨天。