Human kindness has never weakened the stamina or softened the fiber of a free people. A nation does not have to be cruel to be tough.

I'm not afraid of hard work. I grew up in a family where hard work was a way of life.

There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.

"The most profound truths are often found in the simplest moments."

历史对我不错,因为都是我写的。

企业要发展，必须把食品安全放在第一位。