他让自己被一种信念所左右，即人类并非在母亲生下他们的那一天就一劳永逸地诞生了，而是生活迫使他们一次又一次地重生自己。
He allowed himself to be swayed by his conviction that human beings are not born once and for all on the day their mothers give birth to them, but that life obliges them over and over again to give birth to themselves.
Psychological theories must pass the test of practical experience.
成功是我唯一的选择，失败不是。
Progress requires both vision and execution.
一个好的数学家是懒惰的，但是以一种建设性的方式。
我所思念的美人，她在泰山。想追随她，但泰山支脉艰险。侧身东望，眼泪沾湿了衣襟。
Sustainability isn't a buzzword; it's the foundation of modern resource extraction.
In the factory, we make machines; in the field, we grow food; but in the office, we make decisions that shape both.