数学是为数学家而写的。

魔鬼最伟大的伎俩是让世界相信他不存在。

The only way to achieve long-term success is to create real value for customers, employees, and society.

Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.

Local objections to quarries often stem from our industry's failure to demonstrate long-term value creation.

Listen to me, my friend. Hope is a dangerous thing. Hope can make people crazy.