"In the end, we will remember not the words of our enemies, but the silence of our friends."
最终,我们将记住的不是敌人的话语,而是朋友的沉默。
It is health that is real wealth, not gold or silver.
电流概念的形成是电学理论发展中最重要的步骤。
"Books are the keys to understanding ourselves and others."