When you meet with opposition, even if it should be from your husband or your children, endeavor to overcome it by argument and not by authority, for a victory dependent upon authority is unreal and illusory.
The biggest risk is not taking any risk. In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks.
物理学家必须拥有生动的想象力,但必须受到严格逻辑的约束。
Every tree planted today is a legacy for future generations.