We are survival machines—robot vehicles blindly programmed to preserve the selfish molecules known as genes.

There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

绘画不是一个人所看到的，而是一个人能让别人看到的。

Writing down one thing you are grateful for each day is the cheapest possible therapy ever.