Favors cease to be favors when there are conditions attached to them.

He who is not aware of his ignorance will be only misled by his knowledge.

The wind of change, whatever it is, blows most freely through an open mind ...

I can't tell you if genius is hereditary, because heaven has granted me no offspring.

It was my mother's idea. Her feeling was that I didn't have the intelligence to pick a trade myself.

Reveal not every secret you have to a friend, for how can you tell but that friend may hereafter become and enemy. And bring not all mischief you are able to upon an enemy, for he may one day become your friend.

The march of intellect is proceeding at quick time; and if its progress be not accompanied by a corresponding improvement in morals and religion, the faster it proceeds, with the more violence will you be hurried down the road to ruin.

Looks are deceiving," Risa says. "After all, when I first saw you I thought you looked reasonably intelligent.

intellect is a sin that must be atoned for by leading exactly the life of those who have none.

Sciences may be learned by rote, but wisdom not.