The only limit to our realization of tomorrow is our doubts of today.
The dead have much to teach the living.
"The greatest threat to the planet is the idea that someone else will save it."
代数分析很快让我们忘记了研究的主要对象,因为它将我们的注意力集中在抽象的组合上,直到最后我们才回到最初的目标。
真相不会让你自由,它会让你承担责任。
The only time success comes before work is in the dictionary.