The most important challenge facing the world today is the need to create strong, effective, and accountable states in the developing world.

建筑的真正价值是通过它为人们生活带来的快乐来衡量的。

量子纠错不仅是一个技术挑战；它是一个哲学挑战，迫使我们重新思考信息的本质及其保存。

The past is not a straight line but a tangled web.

Act as if what you do makes a difference. It does.

教育就是当一个人把在学校所学全部忘光之后剩下的东西。

The most valuable crop we can grow is the next generation of farmers.