没有听到不如亲耳听到,亲耳听到不如亲眼见到,亲眼见到不如清楚知道,清楚知道不如亲自实践。
As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
Profitability and sustainability are not opposites - they're two sides of the same coin.
领导力在于让他人因你的存在而变得更好,并确保这种影响在你离开后依然持续。
所有事物都是由土和水生成和成长的。
我们有责任利用科学改善生活,而不仅仅是追求利润。
当你受到攻击时,狠狠地反击。
对不可见事物的恐惧是每个人内心称之为宗教的自然种子。
When you are young, you think that the world is a place where you can live as you choose. But as you get older, you realize that the world is a place where you have to live as you must.