Those qualities of bodies that cannot be intended and remitted [i.e., qualities that cannot be increased and diminished] and that belong to all bodies on which experiments can be made should be taken as qualities of all bodies universally.

Absolute, true and mathematical time, of itself, and from its own nature flows equably without relation to anything external.

Nature is very consonant and conformable with herself.

I do not know what I may appear to the world, but to myself I seem to have been only a boy playing on the seashore.

I see I have made my self a slave to Philosophy.

Truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things.

The wonderful arrangement and harmony of the cosmos would only originate in the plan of an almighty omniscient being. This is and remains my greatest comprehension.