Those who tell you that man is unable to perceive a reality undistorted by his senses, mean that they are unwilling to perceive a reality undistorted by their feelings. "Things as they are" are things as perceived by your mind; divorce them from reason and they become "things as perceived by your wishes.

The great creators - the thinkers, the artists, the scientists, the inventors - stood alone against the men of their time. Every great new thought was opposed. Every great new invention was denounced. The first motor was considered foolish. The airplane was considered impossible... But the men of unborrowed vision went ahead. They fought, they suffered and they paid. But they won.

Aquinas brought an Aristotelian view of reason back into European culture, and lighted the way toward the Renaissance.

It's not a question of who will allow me to do it, it's a question of who will stop me.

If you write a whole line of zeroes, it's still — nothing.

Every government interference in the economy consists of giving an unearned benefit, extorted by force, to some men at the expense of others.

The right to vote is a consequence, not a primary cause, of a free social system - and its value depends on the constitutional structure implementing and strictly delimiting the voters' power; unlimited majority rule is an instance of the principle of tyranny.