A thing is obvious mathematically after you see it.

No human investigation can be called real science if it cannot be demonstrated mathematically.

— Leonardo da Vinci

It has been pointed out already that no knowledge of probabilities, less in degree than certainty, helps us to know what conclusions are true,…

— John Maynard Keynes

Human life is proverbially uncertain; few things are more certain than the solvency of a life-insurance company.

— Arthur Eddington

Statistics: the mathematical theory of ignorance.

— Morris Kline

The mathematician requires tact and good taste at every step of his work, and he has to learn to trust to his own instinct…

— James Whitbread Lee Glaisher

There can be no question, however, that prolonged commitment to mathematical exercises in economics can be damaging. It leads to the atrophy of judgement…

— John Kenneth Galbraith

It is the first duty of a hypothesis to be intelligible.

— Thomas Huxley

To Thales the primary question was not what do we know, but how do we know it.

— Aristotle

In my experience most mathematicians are intellectually lazy and especially dislike reading experimental papers. He seemed to have very strong biological intuitions but unfortunately…

— Francis Crick

It is not a mystical thing, however, it is obvious and practical and I think that what the performer does is to try to…

— Leo Kottke

I'm a little bit perverse, and I just hate doing the thing that's the most obvious.

— Daniel Day-Lewis

The problem with improvisation is, of course, that everyone just slips into their comfort zone and does sort of the easy thing to do,…

— Brian Eno

Mathematics consists in proving the most obvious thing in the least obvious way.

— George Polya

From the very beginning, I think it's been quite clear that there's no way I could possibly say that trans women are not women.…

— Chimamanda Ngozi Adichie

There's often more than one correct thing. There's often more than one right thing. There's often more than one obvious thing.

— Larry Wall