"In the end, we will remember not the words of our enemies, but the silence of our friends."

好奇心推动发现。没有它，科学就会停滞不前。

The most important thing is to have a vision of what you want to do and then to have the persistence to carry it out.

Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.

唯一比思想的力量更伟大的是心灵的勇气。

人类注定是自由的。

解释：空有虚名而无实际行动的人，必然会招来人们的怨恨。

最好的肥料是农民的影子，没有什么能取代在田间的存在和关注。