生命中最伟大的事情是保持心灵年轻。

Power is not a toy we give to children. It is a weapon we place in the hands of soldiers.

灵魂会被思想的颜色所浸染。

The past is a puzzle, and we are all trying to piece it together.

最好的实验往往源于简单的想法和细致的观察。