I can see so far because I stood on the shoulders of giants.

If I have done the public any service, it is due to my patient thought.

God who gave Animals self motion beyond our understanding is without doubt able to implant other principles of motion in bodies [which] we may understand as little. Some would readily grant this may be a Spiritual one; yet a mechanical one might be showne, did not I think it better to pass it by.

God created everything by number, weight and measure.

No great discovery was ever made without a bold guess.

The instinct of brutes and insects can be the effect of nothing else than the wisdom and skill of a powerful ever-living agent.

I feign no hypotheses.