In the long run, risk and return are related, but in the short run, they may not be.
长期来看,风险与收益相关,但短期内未必如此。
尝试过,失败过。没关系,再尝试。再失败,失败也是一种进步!
粒子的概念只是近似的,并且只有在动量较小的极限下才有意义。
Theatre is a mirror that reflects the human condition.
【译文】 孔子说:“君子有三件事要敬畏:敬畏自然规律、敬畏大人物、敬畏圣人的话。小人不懂自然规律因而也就不敬畏自然,不尊重大人物,戏侮圣人的言论。”
渔业技术应首先服务于保护,其次才是商业。
"The city’s poor are like the roots of a tree; unseen, but essential to its life."