"The past is a shadow that follows us, but it is also the light that guides us forward."

The true adventurer goes forth aimless and uncalculating to meet and greet unknown fate.

The revolution is made through human beings, but individuals must forge their revolutionary spirit day by day.

Teach me to love? Go teach thyself more wit,I chief professor am of it，The god of love, if such a thing there be, may learn to love from me.

我们对宇宙了解得越多，就越意识到我们不知道的还有很多。