Everything is useful which contributes to fix in the principles and practices of virtue.
I build confidence when I practice a variety of shots - hitting it high or low, working the ball. A lot of golfers go to the range and just hit full shots. That doesn't build on-course confidence, because you won't always hit full shots out there. My confidence is built on knowing I can effectively work the ball in any circumstance.
The General Order is always to maneuver in a body and on the attack; to maintain strict but not pettifogging discipline; to keep the troops constantly at the ready; to employ the utmost vigilance on sentry go; to use the bayonet on every possible occasion; and to follow up the enemy remorselessly until he is utterly destroyed.