Saying and doing are two things。说话和做是两回事。Saying is one thing,and doing another。说是一回事,做是另一回事。
Say not all that you know, believe not all that you hear. 莫道全所知,莫信全所闻。Say well is good, but do well is better, 说得漂亮固然好,做得漂亮更佳。Science is organized knowledge. 科学是系统化的知识。Score twice before you cut once. 三思而行。Scornful dogs will eat dirty puddings. 神气的狗也会吃脏布丁的。Scratch a Russsian, and you('ll) find a Tartar. 文明不能改变本性。Scratch me and I'll scratch you 朋比为奸。Scratch my back and I'll scratch yours. 朋比为奸。Seeing much, suffering much, and studying much are the three pillars of learning. 见识多、困难重,钻研深是学问的三大支持。