The best way to understanding is a few good examples.

I am ashamed to tell you to how many figures I carried these calculations [of Pi], having no other business at the time

I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for whatever is not deduced from the phenomena is to be called a hypothesis, and hypotheses, whether metaphysical or physical, whether of occult qualities or mechanical, have no place in experimental philosophy.

Live your life as an Exclamation rather than an Explanation

This thing is but a puny imitation of a much grander system whose laws you know, and I am not able to convince you that this mere toy is without a designer or maker; yet you profess to believe that the great original from which the design is taken has come into being without either designer or maker! Now tell me by what sort of reasoning do you reach such an incongruous conclusion?

I understood. I have understood. I do understand.

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