大脑就像肌肉一样,当我们使用时会感到愉悦。理解是充满欢乐的。
Don’t be afraid to fail, be afraid not to try.
Liberty means responsibility. That is why most men dread it.
A song is a journey, and every listener is a traveler.
科学发现的真正本质不在于它提供的答案,而在于它提出的新问题。