The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
"I don't write to be loved, I write to be understood."
The energy industry must be part of the climate solution, not the problem.
良好的教养在于隐藏我们对自己较佳的评价，以及隐藏我们对他人较差的评价。
The true value of a tree is measured in decades, not dollars.
The most painful state of being is remembering the future, particularly the one you'll never have.
