In theory, there is no difference between theory and practice.
But, in practice, there is.

In theory, there is no difference between theory and practice.
But, in practice, there is.

A theory can be proved by experiment; but no path leads from
experiment to the birth of a theory.

A theory can be proved by experiment; but no path leads from
experiment to the birth of a theory.

We all agree that your theory is crazy, but is it crazy enough?

We all agree that your theory is crazy, but is it crazy enough?

Sometimes a scream is better than a thesis.

Sometimes a scream is better than a thesis.