Mere unbelief in a personal God is no philosophy at all.

I know that the most joy in my life has come to me from my violin.

The sceptic will say, 'It may well be true that this system of equations is reasonable from a logical standpoint, but this does not prove that it corresponds to nature.' You are right, dear sceptic. Experience alone can decide on truth.

We can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.

One must not attempt to justify them, but rather to sense their nature simply and clearly.

Future medicine will be the medicine of frequencies.

My success wasn't so much due to intelligence, but the fact that I stuck with problems longer.