The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.

In the end， we will remember not the words of our enemies， but the silence of our friends.

记忆是一个奇怪的东西，它的运作方式并不像我们想象的那样。我们习惯于把它想象成相机或录音机，但它完全不是那样的。它更像是一个画家，根据自己的规则添加或删除元素。

人类社会生活的行为流是由存在的物质条件构成的。

科学家和渔民之间的合作是解决水产养殖挑战的关键。