人民有三种忧患:饥饿的得不到食物、寒冷的得不到衣物、劳苦的得不到休息。
In chemistry, as in life, sometimes you need to take a step back to see the bigger picture.
真正的成功是通过你对他人产生的积极影响来衡量的。
Writing is a way of giving voice to the voiceless.