生命中唯一不变的是变化。
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.
我们生活的目的是快乐。
The most important thing is to try and inspire people so that they can be great in whatever they want to do.
美国能源独立并不意味着孤立 - 我们仍然是全球市场的一部分。
The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.