It's always too early to quit.
The wise does at once what the fool does at last.
Go for it now. The future is promised to no one.
I can, therefore I am.
Things do not happen. Things are made to happen.
Well done is better than well said.
Be gentle to all and stern with yourself.
Quality is not an act, it is a habit.
Begin to be now what you will be hereafter.
To be a good loser is to learn how to win.
Intensity like signal strength will generally fall off with distance from the source, although it also depends on the local conditions and the pathway from the source to the point.