柴油发动机可以使用植物油作为燃料，这将极大地促进使用该技术的国家的农业发展。

I went to the woods because I wanted to live deliberately,I wanted to live deep and suck out all the marrow of life, To put to rout all that was not life, and not when I had come to die, Discover that I had not lived.

成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事情，你就会成功。

Sustainability is the future of quarrying, and we must act now.

拼命奋斗，最后离开。

My life is my message.

债务要么产生于契约，要么产生于侵权行为。

你越诚实，越开放，你的恐惧就会越少。

科学思想不像被分成越来越小的蛋糕，而像一棵不断分枝的树。