Man is not by nature a social animal.
人类并非天生社会动物。
善于学习的人，能够透彻地知道事情的道理；善于实践的人，能够把事情疑难之处弄清楚。
The most hateful torment for men is to have knowledge of everything but power over nothing.
"The biggest risk is not taking any risk."
Never underestimate the power of observation—sometimes the smallest detail leads to the biggest discovery.
Innovation is the soul of enterprise development, without innovation there is no future.