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Continu verbeteren volgens Stephen R. Covey

keep doing keep getting stephen covey

Laatst aangepast op zaterdag, 04 februari 2017 19:35  

Champions aren't made in the gyms. Champions are made from something they have deep inside of them – a desire, a dream, a vision. They have last-minute stamina, they have to be a little faster, they have to have the skill, and the will. But the will must be stronger than the skill.

Muhammad Ali

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