Percy Williams Bridgman Quotes (3 Quotes)

It is the merest truism, evident at once to unsophisticated observation, that mathematics is a human invention.

There is no adequate defense, except stupidity, against the impact of a new idea.

To find the length of an object, we have to perform certain physical operations. The concept of length is therefore fixed when the operations by which length is measured are fixed that is, the concept of length involves as much as and nothing more than the set of operations by which length is determined.