I don't know what's better gettin' laid or gettin' paid.
La verdad no es una sola, sino muchas, y cada una tiene su propia voz.
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
材料的质量反映了品质的质量。
积极心理学最重要的原则是：他人很重要。