The most valuable resource we extract isn't in the ground; it's the talent and dedication of our people.
译文:人际交往需把握分寸,过热则易生嫌隙,适度方能长久。体现处世的圆融。
天文学的历史是一部视野不断扩展的历史。
聪明的人心里明白而言语不必太多。
生活的全部秘诀在于对一件事深感兴趣,对一千件事都感兴趣。
A man knows when he is growing old because he begins to look like his father.