化工行业有能力改变社会，但前提是我们在进步的同时承担责任。

The streets of Paris have a memory of their own.

If you are ready to give up everything else and study the whole history and background of the market and all the principal companies whose stocks are on the board as carefully as a medical student studies anatomy—if you can do all that and in addition you have the cool nerves of a gambler, the sixth sense of a clairvoyant and the courage of a lion, you have a ghost of a chance.

Man will not merely endure: he will prevail.

认为世界上只有一种真理，而自己正掌握着它，在我看来这是世界上所有邪恶最深的根源。

效率是工程的诗歌。

沉默是伟大事物形成的元素。

质量是免费的。它不是礼物，但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。