The challenge in cryptography is not just to create unbreakable codes, but to create systems that remain secure even as technology evolves.

Entrepreneurship requires patience; success takes time.

The people are the government, administering it by their agents; they are the government, the sovereign power.

The moment the idea is admitted into society that property is not as sacred as the laws of God, and that there is not a force of law and public justice to protect it, anarchy and tyranny commence.

Men fear death as children fear to go in the dark； and as that natural fear in children is increased with tales， so is the other.

Science is a journey, not a destination.

我不在乎别人怎么说，我要做我想做的事。