The ideal business is one that earns very high returns on capital and that keeps using lots of capital at those high returns. That becomes a compounding machine.
The business schools reward difficult complex behavior more than simple behavior, but simple behavior is more effective.
It's crazy to take little in between jobs just because they look good on your resume. That's like saving sex for your old age. Do what you love and work for whom you admire the most, and you've given yourself the best chance in life you can.
I personally would increase the taxable base above the present ninety thousand. I pay very very little in the way of social security taxes because I make a lot more than ninety thousand and the people in my office pay the full tax.
Each of the professions means a prejudice. The necessity for a career forces every one to take sides. We live in the age of the overworked, and the under-educated; the age in which people are so industrious that they become absolutely stupid.