The knowledge of all things is possible

There is no higher or lower knowledge, but one only, flowing out of experimentation.

I am never weary of being useful... In serving others I cannot do enough. No labor is sufficient to tire me.

My body will not be a tomb for other creatures.

He turns not back who is bound to a star.

As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.

Common Sense is that which judges the things given to it by other senses.