The person who failed often knows how to avoid future failures. The person who knows only success can be more oblivious to all the pitfalls.
The questions are always more important than the answers.
If nobody ever worried about what was in other people's heads, we’d all be 33 percent more effective in our lives and our jobs.
There are more ways than one to measure profits and losses.
No matter how bad things are, you can always make things worse.
Time must be explicitly managed, like money.