The way positive reinforcement is carried out is more important than the amount.

写作是直面内心的黑暗。

如果你想拥有从未拥有的东西，就必须愿意做从未做过的事。

粒子的概念只是近似的，并且只有在动量较小的极限下才有意义。

To be Irish is to know that in the end, the world will break your heart.

幸福是短暂的。它不会停留。上帝在击打它的风帆。