half the battle
Meaning
half the battle
A large part of what it takes to accomplish something.
Knowing is half the battle. ― It is necessary to be informed in order to do the right thing in a given situation.
Examples
Courage in danger is half the battle.
The first blow is half the battle.
Knowing that you possess a talent is half the battle in mastering it.
A good beginning is half the battle.
A strong attack is half the battle won.
A bold onset is half the battle.