Live in the fields and God will give you lectures on natural philosophy every day.
We must reason in natural philosophy not from what we hope or even expect but from what we perceive.
Histories make men wise; poets witty; the mathematics subtle; natural philosophy deep; moral grave; logic and rhetoric able to contend.
Our imagination is struck only by what is great; but the lover of natural philosophy should reflect equally on little things.
There is a ... matter - much more valuable and divine than natural philosophy . ... On this matter I must speak to you in enigmas.
I have always looked upon alchemy in natural philosophy to be like enthusiasm in divinity and to have troubled the world much to the same purpose.
I am interested in 18th century natural philosophy science particularly botany the study of hybridity in plants and animals which of course then allows me to consider the hybridity of language.
It should now be clear why the method of Philosophy is so different from that of the natural sciences. Experiments are not made because they would be utterly useless.
The border between the natural and the supernatural religion and philosophy may not always be clear. But there are lines and we should know and accept which side of it we are on.
The progress of mankind is due exclusively to the progress of natural sciences not to morals religion or philosophy.
To ask whether the natural rights philosophy of the Declaration of Independence is true or false is essentially a meaningless question.
There is almost no evidence that diagnoses such as 'schizophrenia' and 'bipolar disorder' correspond to discrete entities ('natural kinds' in the language of philosophy).
The harmony of the world is made manifest in Form and Number and the heart and soul and all the poetry of Natural Philosophy are embodied in the concept of mathematical beauty.