Be not afraid of growing slowly, be afraid only of standing still.
Be not afraid of growing slowly, be afraid only of standing still.
Don't make use of another's mouth unless it has been lent to you.
If you're never scared or embarrassed or hurt, it means you never take any chances.
Life wouldn't be worth living if I worried over the future as well as the present.
Be wary of the man who urges an action in which he himself incurs no risk.