一切都在流动，一切都在变化，没有永恒不变的东西。
Everything flows, everything changes, nothing remains.
科学是使复杂变得可理解的艺术。
我们想成为能给予希望的艺术家。
This is the best time ever to make something. None of the greatest， coolest creations 20 years from now have been invented yet. You are not late.
You are stronger than you think, braver than you believe, and smarter than you know.
The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.
The wise seek the truth, fools seek entertainment.