The doorway to happiness opens from the inside.

有时候不逼自己一把，你永远不知道自己有多优秀。

Happiness requires both pleasure and purpose - neither alone is sufficient.

The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.

"There are two occasions when the sacred beauty of Creation becomes dazzlingly apparent, and they occur together. One is when we feel our mortal insufficiency to the world, and the other is when we feel the world's mortal insufficiency to us."

我们在知识中失去的智慧在哪里？我们在信息中失去的知识在哪里？

让图像呼吸，故事就会自己讲述。

追求真理的路上，只有勇者能够坚持到底。

我不知道市场会怎样。我只是尽量买便宜的东西。