Avoid the precepts of those thinkers whose reasoning is not confirmed by experience.

My works are the issue of simple and plain experience which is the true mistress.

Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.

Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

Wisdom is the daughter of experience.

Nothing strengthens authority so much as silence.