I bought some books in order to learn the first principles of philosophy.

Yeah, my dad bought me a guitar when I was like 10, and I didn't really want it then.

I should almost therefore put forward the proposal that the third hypothsis (angle sum of a triangle less than two right angles) holds on the surface of an imaginary sphere.

I understood that the will could not be improved before the mind had been enlightened.

My parents are private investigators for God's sake.

This hypothesis (Parallel hypothesis) would not destroy itself at all easily.

I bought some books in order to learn the first principles of philosophy.