Psychology must be grounded in the facts of living experience.

解析：不要求快，不要贪求小利。求快反而达不到目的，贪求小利就做不成大事。

我不是幸运，我是受祝福的。

I am always glad to think that my education was, for the most part, informal, and had its roots in the soil.

因此，人们联合成立共和国、置身于政府之下的伟大和主要目的是保护他们的财产。

The most successful companies are those that listen to their customers.

Do not let yourself be tainted with a barren skepticism.

我从不考虑过去。我总是期待下一个挑战。