Metaphysicians are musicians without musical ability.

In logic, there are no morals.

Anything you can do, I can do meta

Let us be cautious in making assertions and critical in examining them, but tolerant in permitting linguistic forms.

Science is a system of statements based on direct experience, and controlled by experimental verification. Verification in science is not, however, of single statements but of the entire system or a sub-system of such statements.

It is indeed a surprising and fortunate fact that nature can be expressed by relatively low-order mathematical functions.

In science there are no 'depths'; there is surface everywhere.