The only thing that stands in our power to achieve, is to make the most advantageous use possible of the personal qualities we possess, and accordingly to follow such pursuits only as will call them into play, to strive after the kind of perfection of which they admit and to avoid every other; consequently, to choose the position, occupation and manner of life which are most suitable for their development.
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Imagine a man endowed with herculean strength who is compelled by circumstances to follow a sedentary occupation, some minute exquisite work of the hands, for example, or to engage in study and mental labor demanding quite other powers, and just those which he has not got—compelled, that is, to leave unused the powers in which he is pre-eminently strong; a man placed like this will never feel happy all his life through.

The Wisdom of Life
Arthur Schopenhauer