Take time to deliberate, but when the time for action has arrived, stop thinking and go in.

We may stop ourselves when going up, never when coming down

Men take only their needs into consideration - never their abilities.

Take time to deliberate, but when the time for action comes, stop thinking and go in.

If what you are waiting for is taking too long, stop waiting, go for it

Ambition never is in a greater hurry than I; it merely keeps pace with circumstances and with my general way of thinking.