真理，通过理性思考和观察自然得出。

I have made the most important discovery of my life. It's only in the mysterious equations of love that any logic or reasons can be found.

The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability.  

我不相信后悔，我相信从中吸取教训。

The human voice is the most perfect instrument of all.

In the darkness, even a small light can guide you home.

There is no failure except in no longer trying.

不修养品德，不讲习学问，听到正义不能追随，有缺点不能改正，这些都是我所忧虑的。