Erwin Schrödinger

Physics Austrian 1887 – 1961 550 quotes

Developed wave equation for quantum mechanics

Most quoted

"One can even set up quite ridiculous cases. Imagine an experiment that will not be carried out until the year 2000, in which a cat is penned up in a steel chamber, along with the following device (which must be secured against direct interference by the cat): at the heart of a Geiger counter, there is a tiny bit of radioactive substance, so small that perhaps in the course of the hour one of the atoms decays, but also, with equal probability, perhaps none; if it happens, the counter tube discharges and through a relay releases a hammer which shatters a small flask of hydrocyanic acid. If one has left this entire system to itself for an hour, one would say that the cat still lives if meanwhile no atom has decayed. The psi-function of the entire system would express this by having in it the living and dead cat (pardon the expression) mixed or smeared out in equal parts."

— from Die gegenwärtige Situation in der Quantenmechanik, 1935

"The scientific picture of the real world around me is very deficient. It gives a lot of factual information, puts all our experience in a magnificently consistent order, but it is ghastly silent about all and sundry that is really close to our heart, that really matters to us. It cannot tell us a word about red and blue, bitter and sweet, physical pain and physical delight; it knows nothing of beautiful and ugly, good and bad, God and eternity. Science sometimes pretends to answer questions in these domains, but the answers are very often so silly that we are not inclined to take them seriously."

— from Mind and Matter

"This life of yours which you are living is not merely a piece of the entire existence, but is in a certain sense the whole; only this whole is not so constituted that it can be surveyed in a single glance. This, as we know, is what the Brahmins express in that sacred, mystic formula. Tat tvam asi—this is you. Or, again, in such words as ‘I am in the east and in the west, above and below, I am this entire world.’"

— from My View of the World

All quotes by Erwin Schrödinger (550)

The scientific method is a powerful tool, but it is not the only tool.

Science and Humanism

The most important thing is to be true to yourself.

Unknown

The quantum theory is a beautiful theory, but it is also a very difficult one.

Letter to Arnold Sommerfeld 1926

The cell is the fundamental unit of life.

What is Life?

The world is a mirror, and we see ourselves in it.

My View of the World

I am a human being, and I am trying to understand the world around me.

Unknown

The wave mechanics is a theory of waves, but it is also a theory of particles.

Letter to H. A. Lorentz 1926

Science is a journey, not a destination.

Science and Humanism

The most important thing is to never give up.

Unknown

The quantum theory is a profound theory, but it is also a very unsettling one.

Letter to Paul Ehrenfest 1926

Genetics is the key to understanding life.

What is Life?

The world is a book, and we are all reading it.

My View of the World

I am a seeker of truth, and I will never stop searching.

Unknown

The wave mechanics is a theory of continuous change, but it is also a theory of discrete events.

Letter to Werner Heisenberg 1926

The purpose of science is to understand the world, not to control it.

Science and Humanism

The most important thing is to love and be loved.

Unknown

The quantum theory is a powerful theory, but it is also a very mysterious one.

Letter to Niels Bohr 1926

Evolution is the process by which life adapts to its environment.

What is Life?

The world is a stage, and we are all actors in it.

My View of the World

I am a dreamer, and I believe in the power of imagination.

Unknown