"It is your mind that matters economically, as much or more than your mouth or hands. In the long run, the most important economic effect of population size and growth is the contribution of additional people to our stock of useful knowledge. And this contribution is large enough in the long run to overcome all the costs of population growth."

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It requires a conviction that every people has a unique contribution to give to mankind, and that this they must make or remain sterile, subservient, sallow, and that this contribution they must have commenced to make before they can hope to understand the spirit that informs all great works and inspires all noble living.

— Lawren Harris