W. Timothy Gallwey

"The coach who named the opponent inside your head."

W. Timothy Gallwey (born 1938 in San Francisco) captained the Harvard tennis team and then coached players who got worse the more instructions he piled on. In 1974 he published The Inner Game of Tennis, naming Self 1 (the judging teller) and Self 2 (the body that already knows). Billie Jean King called it her tennis bible. He later extended the method to golf, music, and work.

1 book·Performance coaching

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Key Ideas & Recurring Themes

Performance = potential − interference

You raise the result by lowering Self 1’s lecture, not by shouting more technique.

Self 1 vs Self 2

The teller judges. The body already knows the stroke. Quiet the first so the second can work.

Nonjudgmental awareness

See the bounce and the hit without a grade. Awareness is the coach.

Notable Quotes

"The opponent within one’s own head is more formidable than the one on the other side of the net."
— The Inner Game of Tennis
"Performance equals potential minus interference."
— The Inner Game of Tennis

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Book Author W. Timothy Gallwey