Physics is essentially an intuitive and concrete science. Mathematics is only a means for expressing the laws that govern phenomena.

The heart says yes, but the mind says no.

As to science, we may well define it for our purpose as "methodical thinking directed toward finding regulative connections between our sensual experiences".

To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.

There comes a point in your life when you need to stop reading other people's books and write your own.

The more success the quantum theory has, the sillier it looks

In theory, theory and practice are the same. In practice, they are not.