Nature is one. It is not divided into physics, chemistry, quantum mechanics.

The real scientist is ready to bear privation and, if need be, starvation rather than let anyone dictate to him which direction his work must take.

Research is not a systematic occupation but an intuitive artistic vocation.

If I go out into nature, into the unknown, to the fringes of knowledge, everything seems mixed up and contradictory, illogical, and incoherent. This is what research does; it smooths out contradictions and makes things simple, logical, and coherent.

Life is a wondrous phenomenon.

Science has helped us to understand and master ourselves, creating an elevated new form of human life, the wealth and beauty of which cannot be pictured today by the keenest imagination.

If structure does not tell us anything about function, it means that we have not looked at it correctly.