Greatest danger is not failure, but be successful and not know why.

There is a sense of exhilaration that comes from facing head-on the hard truths and saying, "We will never give up. We will never capitulate. It might take a long time, but we will find a way to prevail."

The secret to a successful retirement is to find your retirement sweet spot. The sweet spot is where your passions, what you do best, and what people will pay you to do overlap.

In the end, it is impossible to have a great life unless it is a meaningful life. And it is very difficult to have a meaningful life without meaningful work. Perhaps, then you might gain that great tranquility that comes from knowing that you've had a hand in creating something of intrinsic excellence that makes a contribution. Indeed, you might even gain that deepest of all satisfactions: knowing that your short time on this earth has been well spent, and that it mattered.

Those fortunate enough to find or create a practical intersection of the three circles have the basis for a great work life.

You need self-control in an out-of-control world.

Faith in the endgame helps you live through the months or years of buildup.