We want great alteration, but we want nothing new.

There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations. We keep on turning and making new combinations indefinitely; but they are the same old pieces of colored glass that have been in use through all the ages.

The difficulty lies not so much in developing new ideas as in escaping the old ones.

The difficulty lies, not in the new ideas, but in escaping from the old ones, which ramify, for those brought up as most of us have been, into every corner of our minds.

My basic ideas have not changed. I see no reason to change them.

What moves those of genius, what inspires their work, is not new ideas, but their obsession with the idea that what has already been said is still not enough.

The problems are solved, not by giving new information, but by arranging what we have known since long.

The ideas which are here expressed so laboriously are extremely simple and should be obvious. The difficulty lies, not in the new ideas, but in escaping from the old ones, which ramify, for those brought up as most of us have been, into every corner of our minds.

The difficulty lies not so much in developing new ideas as in escaping from old ones.

There are no new truths, but only truths that have not been recognized by those who have perceived them without noticing.

The only sure way to avoid making mistakes is to have no new ideas.

There cannot be new things in England. There can be old things freshly presented or new things that pretend to be old.

There is nothing new except what has been forgotten.

Takto chybuje škola: nedává nových idejí, zůstává při starých formách.