To decide upon the answer is not scientific. In order to make progress, one must leave the door to the unknown ajar ajar only.

You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like they expect me to be. It's their mistake, not my failing.

All we know so far is what doesn't work.

What I can't create I don't understand

But logic is not all, one needs one's heart to follow an idea.

People who wish to analyze nature without using mathematics must settle for a reduced understanding.

I don't know what's the matter with people: they don't learn by understanding, they learn by some other way — by rote or something. Their knowledge is so fragile!