Throw away the suit and know execution matters - FT.com

"I have five top tips for people thinking of starting their own business.
First, don’t do it! If you do, you’ll be letting yourself in for an immense amount of unrewarded hard graft, a series of failures and the need to keep bouncing back a thousand times when things don’t work.

Burning yourself out without knowing if it will ever pay off is certainly not for everyone. If you ignore me and do it anyway, then give it your all. If you start a business halfheartedly, you will not succeed.
Second, ....................."

Throw away the suit and know execution matters - FT.com