The present is the past rolled up for action, and the past is the present unrolled for understanding.

The power of the human spirit is limitless.

Modern quarrying must marry the wisdom of geology with the innovation of engineering.

My blindness is not a tragedy, but an opportunity to see the world in a different way.

同行很少聚在一起，即使是为了娱乐，谈话最终都会以反对公众的阴谋或提高价格的某种策划而结束。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

机器人技术的未来在于创造能够学习和适应的机器。

真相并不总是美丽的，美丽的话语也不总是真相。