The past is always with us, for it feeds the present.

Premature optimization is the root of all evil.

The joy of discovery is what keeps scientists going.

The power of words lies in their ability to create worlds.

每个家庭都是一个团结的小社会，自由和相互之间的感情是他们唯一的纽带。

The more you know, the more you realize how little you know.

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

"I believe that as much as you take, you have to give back."

The decline of trust in institutions is one of the most serious problems facing modern democracies.