Challenges are what make us grow; embrace them with courage and determination.
The joy of chemistry is in the doing, not just the discovering.
Enterprises must have the spirit of self-revolution.
我到办公室总是迟到,但我早退弥补了这一点。
"Books can be dangerous. The best ones should be labeled 'This could change your life.'"
可持续性不是一种趋势;而是我们对后代的责任。