Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.

如果狮子能说话，我们也无法理解他。

The greatest rewards come from working the hardest and not giving up.

某个复杂的想法被有意识地理解的频率越高，其元素就越容易和迅速地进入有意识的联系。

史记

The study of automorphic forms is a journey into the hidden symmetries of the universe.

这些年来我学到的是市场总是对的。