Everywhere there is a large commission, there is a high probability of a rip-off.

图画是第一位的，文字是后来才有的。

数学中最令人兴奋的时刻是当你发现一些隐藏在显而易见之处的东西。

The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.

我们必须承认自己的错误并从中吸取教训。

在亚洲的中心，大自然创造了一个属于自己的世界，未经人类染指。

Agriculture is not just an industry—it’s a lifeline for humanity.