Yeah, I became a successful entrepreneur... Eventually

Wartime CEO is too busy fighting the enemy to read management books written by consultants who have never managed a fruit stand.

Planning is valuable, tho the plan is usually useless.

Every time you make the hard, correct decision you become a bit more courageous, and every time you make the easy, wrong decision you become a bit more cowardly. If you are CEO, these choices will lead to a courageous or cowardly company.

In life, everybody faces choices between doing what's popular, easy, and wrong vs. doing what's lonely, difficult, and right. These decisions intensify when you run a company, because the consequences get magnified 1,000 fold. As in life, the excuses for CEOs making the wrong choice are always plentiful.

You can take somebody's job, you have to take their job, but you don't have to take their dignity.

Groupon looked like a very high valuation, but any investment in a great company at any stage is almost always a good investment.