The Power of Concentration by Theron Q. Dumont

The Power of Concentration by Theron Q. Dumont

A series of twenty lessons designed to help develop and improve the power of concentration. (Summary by Andrea Fiore)

22 Lektionen

Intermediate 2

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Lektionen

The Power of Concentration by Theron Q. Dumont

LESSON XIX. A CONCENTRATED WILL DEVELOPMENT
The Power of Concentration by Theron Q. Dumont

LESSON XX. CONCENTRATION REVIEWED