无论你变得多么优秀,你总能变得更好,这才是最令人兴奋的部分。
No matter how good you get you can always get better, and that's the exciting part.
Science is about pushing boundaries, both in knowledge and technology.
积极心理学不仅仅是微笑;它是关于什么使生活值得过的科学研究。