出自北齐·颜之推《颜氏家训·教子》。慈，慈爱。则，那么。畏慎，畏惧、谨慎。矣，句末语气助词。父母有威严也有慈爱，那么子女就会畏惧、谨慎而生孝顺之心。孝子是靠严格而慈祥的方法培养出来的，不是一味溺爱就能教育出来的。

最有效的领导者是那些以身作则的人。

集中的权力并不会因为创造它的人的良好意图而变得无害。

In chemistry, as in life, the most transformative reactions often occur at the boundaries between disciplines.

"You got to put the past behind you before you can move on." And I think that's what my running was all about.

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

I've been through a lot in my life, and I'm still here.