You only hit a straight ball ...

You only hit a straight ball by accident. The ball is going to move right or left every time you hit it, so you had better make it go one way or the other.
 Ben Hogan

Quotes from the same author

As you walk down the fairway of life you must smell the roses, for you only get to play one round.
 Ben Hogan
The average golfer's problem is not so much the lack of ability as it is lack of knowledge about what he should be doing
 Ben Hogan
Certainly, if you can't manage your game, you can't play tournament golf. You continually have to ask yourself what club to play, where to aim it, whether to accept a safe par or to try to go for a birdie. You can't play every hole the same way. I never could.
 Ben Hogan
Jesus Christ can't hit a golf ball straight. It's virtually impossible - at best it's an accident.
 Ben Hogan
Every day that you don't practice is one day longer before you achieve greatness
 Ben Hogan