Sustainability must be profitable, or it won't be sustainable.
If you’re afraid to fail, then you’re probably going to fail.
"A good book is an event in my life."
【释义】弹弓打鸟,千金不如泥丸合适。【延伸】一件事有很多种解决办法,找到最合适的一种,才能在每件事上都事半功倍。最贵的,不一定是最合适的,最合适的一定是最好的。