质量不是一种行为，而是一种习惯。

Happiness is not something you postpone for the future; it is something you design for the present.

There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

Ideals without action are just dreams.

I tore myself away from the safe comfort of certainties through my love for truth; and truth rewarded me.

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.