"A contented mind is the greatest blessing a man can enjoy in this world" — Joseph Addison

The mind is not a vessel to be filled but a fire to be kindled

Nine-tenths of wisdom is being wise in time

Willpower is to the mind like a strong blind man who carries on his shoulders a lame man who can see

Small minds are concerned with the extraordinary, great minds with the ordinary

There is a wisdom of the head, and a wisdom of the heart.

I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up

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