The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.

The secret of change is to focus all your energy not on fighting the old, but on building the new.

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself.

Responsibilities gravitate to the person who can shoulder them;power to the man who knows how.

任何公司最有价值的资产都是它的员工。

我们衡量成功的标准不应只是生产了多少桶油，还应包括避免了多少排放。

每当你发现自己和大多数人站在同一边，你就该停下来反思一下。

我认为做自己很重要，不要试图成为别人。