Actions are right in proportion as they tend to promote happiness; wrong as they tend to produce the reverse of happiness.
"I don't think about being the best. I think about improving every day."
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
暮春三月,穿上春天的衣服,约上五六人,带上六七个童子,在沂水边沐浴,在高坡上吹风,一路唱着歌而回
The best businesses are the ones that are the most creative and innovative.