Legal positivism emphasizes the separation of law and morality.

The longer life goes on, the fewer those around you to challenge your account of things, to remind you that life is not as you tell it, but as you remember it.

我只是在尽我所能地过好我的生活。

科学家价值的真正衡量标准不在于所获得的荣誉，而在于他们的工作对世界的影响。