创新与质量并重

The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.

朗道学派不仅仅是一个物理学派，它是一个生活的学派。

Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.

你永远无法取悦所有人，所以做让自己开心的事就好。