The plan here is to collect my favourite quotes. They will not be categorized according to subject now, maybe in the future I may do so.

The first principle is that you must not fool yourself — and you are the easiest person to fool.

Richard Feynman

What one fool can do, another can do better.

Richard Feynman

The set of things that I don’t know is dense in any topology.

Fabio Vlacci in a complex analysis lecture

Once you have said a thing, it is very difficult to say it in another way.


We must know, we shall know.

David Hilbert