For this game you need, above ...

For this game you need, above all things, to be in a tranquil frame of mind.
For this game you need, above all things, to be in a tranquil frame of mind.
 Harry Vardon

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
Don't settle in the land of barely enough. That is where you are, it is not who you are. That's your location, it's not your identity. No matter what it looks like, have an abundant mentality.
Everything in your life, every experience, every relationship is a mirror of the mental pattern that is going on inside of you.

Quotes from the same author

The advent of the rubber ball was instrumental in creating an entirely different method of striking the object. The solid ball required to be hit for carry, whereas it was quickly apparent that the Haskell lent itself to an enormous run. I hold the firm opinion that from this date the essential attitude towards accuracy was completely lost sight of. This was the start of the craze for length and still more length.
 Harry Vardon
Do not be tempted to invest in a sample of each golfing invention as soon as it makes its appearance. If you do, you will only complicate and spoil your game - and encumber your locker with useless rubbish.
 Harry Vardon
Never saw one worth a damn.
 Harry Vardon