Aptitudes are assumed, they should become accomplishments. That is the purpose of all education.

A man may twist as he pleases, and do what he pleases, but he inevitably comes back to the track to which nature has destined him.

A useless life is an early death.

No one has ever learned fully to know themselves.

I have, alas! Philosophy, Medicine, Jurisprudence too, And to my cost Theology, With ardent labor, studied through. And here I stand, with all my lore, Poor fool, no wiser than before.

Most men, even the most accomplished, are of limited faculties; every one sets a value on certain qualities in himself and others: these alone he is willing to favour, these alone will he have cultivated.

If you wish to advance into the infinite, explore the finite in all directions.