If someone feels that he has never made a mistake in his life, it only means that he has never tried anything new in his life.

The strength of the Constitution lies entirely in the determination of each citizen to defend it. Only if every single citizen feels duty bound to do his share in this defense are the constitutional rights secure.

I must seem like an ostrich who forever burries its head in the relativistic sands in order not to face the evil quanta.

Never regard study as a duty, but as the enviable opportunity to learn

I have become an obstinate heretic in the eyes of my colleagues. Momentary success carries more power of conviction than reflections upon principles.

We are all life trying to live, among other life trying to live.

I asked myself childish questions and proceeded to answer them.