贵贤，仁也；贱不肖，亦仁也。
出自先秦《荀子·非十二子》。尊重贤能的人，是“仁”的表现，鄙视道德不好的人，也是“仁”的表现。说明“仁”正反两个方面的标准。
Transparency isn't just good ethics; it's good business. Consumers deserve to know where their food comes from and how it's produced.
The most successful brands are those that stay true to their values while evolving with the times.
科学的美丽在于它让我们惊讶的能力。
I'm not afraid to fall, because I know I'll get back up.
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
跟随你的心，做你爱做的事。