For it is not the shape, but their use, that makes them angels.

For seeing life is but a motion of Limbs... why may we not say, that all Automata (Engines that move themselves by springs and wheels as doth a watch) have an artificial life?

He that has most experience [is] so much more prudent than he that is new, as not to be equalled by any advantage of natural and extemporary wit- though many young men think the contrary.

Curiosity is the lust of the mind.

And therefore in geometry (which is the only science that it hath pleased God hitherto to bestow on mankind), men begin at settling the significations of their words; which settling of significations, they call definitions, and place them in the beginning of their reckoning.

Whatsoever accidents or qualities our senses make us think there be in the world, they are not there, but are seemings and apparitions only. The things that really are in the world without us, are those motions by which these seemings are caused. And this is the great deception of sense, which also is by sense to be corrected. For as sense telleth me, when I see directly, that the colour seemeth to be in the object; so also sense telleth me, when I see by reflection, that colour is not in the object.

No mans error becomes his own Law; nor obliges him to persist in it.