"I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger."
The greatest wisdom is to recognize one's own ignorance.
I never buy anything unless I can see a clear path to a 50% gain.
The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.
Life is painting a picture，not doing a sum.