You can never discard too many bad ideas.
It's hard letting go of the past, when there are no firm handholds in the future.
To be sure of winning, invent your own game, and never tell any other player the rules.
Life is the only game in which the object of the game is to learn the rules.
Not even a great leader can get very far without great people to lead.
One thing you can rely on is that there will always be uncertainty.