Sentences of this type are sensitive and eager to learn. Don’t be ashamed to ask, learn if you can’t, and ask if you don’t know.

1. "Sensitive and eager to learn, not ashamed to ask" comes from "The Analects of Confucius, Gong Ye Chang", which means not ashamed to ask for advice from people whose status and knowledge are lower than one's own. It describes a person who is humble and eager to learn.

2. "If you can't learn, learn; if you don't know, ask" comes from "Xunzi, Not the Twelve Masters", which means that if you are not capable enough, you should learn; if you don't know something, you should ask others for advice.