1. physics - Noun
2. physics - Verb
The science of nature, or of natural objects; that branch of science which treats of the laws and properties of matter, and the forces acting upon it; especially, that department of natural science which treats of the causes (as gravitation, heat, light, magnetism, electricity, etc.) that modify the general properties of bodies; natural philosophy.
Source: Webster's dictionaryAll science is either physics or stamp collecting. Ernest Rutherford
Even before string theory, especially as physics developed in the 20th century, it turned out that the equations that really work in describing nature with the most generality and the greatest simplicity are very elegant and subtle. Edward Witten
Physics is like sex: sure, it may give some practical results, but that's not why we do it. Richard Feynman
It is impossible to trap modern physics into predicting anything with perfect determinism because it deals with probabilities from the outset. Arthur Eddington
The observer, when he seems to himself to be observing a stone, is really, if physics is to be believed, observing the effects of the stone upon himself. Bertrand Russell
There's no fun in physics, but a good deal of physics in fun. American Proverb