The most valuable thing you can make is a mistake—you can't learn anything from being perfect.
医学的未来在于理解看不见的东西——病毒、基因以及塑造健康的无形力量。
森林的真正价值不是用板英尺来衡量的,而是用生物多样性来衡量的。
The most powerful weapon you have is your voice.