Success is not final, failure is not fatal: It is the courage to continue that counts.

照片是一种非常糟糕的传达事物实际样子的方式。

The beauty of mathematics is that it allows us to abstract away the complexities of the real world and focus on the underlying principles.

儿童文学有塑造思想和改变生活的力量。

我们生活中最美好的时刻不是被动的、接受的、放松的时刻……最美好的时刻通常发生在一个人自愿努力完成一项困难而有价值的事情时，身体或精神被拉伸到极限。

Loneliness is not a lack of company, but a lack of purpose.