When you want to teach children to think, you begin by treating them seriously when they are little, giving them responsibilities, talking to them candidly, providing privacy and solitude for them, and making them readers and thinkers of significant thoughts from the beginning. That’s if you want to teach them to think.

Have no respect for the authority of others, for there are always contrary authorities to be found

The true spirit of delight...is to be found in mathematics as surely as in poetry.

Broadly speaking, Protestants like to be good and have invented theology in order to keep themselves so, whereas Catholics like to be bad and have invented theology in order to keep their neighbors good. Hence, the social character of Catholicism and the individual character of Protestantism.

Love as a relation between men and women was ruined by the desire to make sure of the legitimacy of children.

You must believe that you can help bring about a better world.

Great God in Boots! – the ontological argument is sound!