The internet quote database

The mere formulation of a problem is far more essential than its solution, which may be merely a matter of mathematical or experimental skills. To raise new questions, new possibilities, to regard old problems from a new angle requires creative imagination and marks real advances in science.

Anyone who has never made a mistake has never tried anything new.

Great spirits have always encountered violent opposition from mediocre minds.

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice.

Everything that is really great and inspiring is created by the individual who can labor in freedom.

I consider it important, indeed urgently necessary, for intellectual workers to get together, both to protect their own economic status and, also generally speaking, to secure their influence in the political field.

Gravity cannot be held responsible for people falling in love.

An empty stomach is not a good political adviser.

As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.

Common sense is the collection of prejudices acquired by age eighteen.