素描就是诚实。没有作弊的可能。画得好就是好，不好就是不好。

把挑战当作学习和成长的机会。

The only limits in life are the ones you make.

A society’s competitive advantage will come not from how well its schools teach the multiplication and periodic tables， but from how well they stimulate imagination and creativity.

行为主义者在科学的试管中找不到意识。

我们都是相互联系的，我们的行为会在别人的生活中产生涟漪。