The man who does not work for the love of work but only for money is not likely to neither make money nor find much fun in life.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
The entrepreneur always searches for change, responds to it, and exploits it as an opportunity.
It's fine to celebrate success but it is more important to heed the lessons of failure.
In the business world, everyone is paid in two coins: cash and experience. Take the experience first; the cash will come later.