Our growing softness, our increasing lack of physical fitness, is a menace to our security.

John F. Kennedy

Similar quotes

Mental will is a muscle that needs exercise, just like muscles of the body.

I don't count my sit-ups; I only start counting when it starts hurting because they're the only ones that count.

Strength of mind is exercise, not rest.

Exercise should be regarded as a tribute to the heart.

Courage is like a muscle. We strengthen it by use.

The best activities for your health are pumping and humping.

Arnold Schwarzenegger

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