You can fool some people some times but you cant fool all the people all the time

You can fool some of the people all of the time, and all of the people some of the time, but you can not fool all of the people all of the time.

You can fool everyone else, but you can't fool your own mind.

You must not fool yourself — and you are the easiest person to fool.

"The first person you should be careful not to fool is yourself. Because you are the easiest person to fool".

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

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

Theoretical physicist Richard Feynman famously said, “You should never, ever fool anybody, and you are the easiest person to fool.” The moment you tell somebody something dishonest, you’ve lied to yourself. Then you’ll start believing your own lie, which will disconnect you from reality and take you down the wrong road.

You can fool some of the people all the time, and those are the ones you want to concentrate on.

The first principle is that you must not fool yourself — and you are the easiest person to fool. So you have to be very careful about that. After you’ve not fooled yourself, it’s easy not to fool other scientists. You just have to be honest in a conventional way after that.

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

But this long history of learning how to not fool ourselves — of having utter scientific integrity — is, I’m sorry to say, something that we haven’t specifically included in any particular course that I know of. We just hope you’ve caught on by osmosis. The first principle is that you must not fool yourself — and you are the easiest person to fool. So you have to be very careful about that. After you’ve not fooled yourself, it’s easy not to fool other scientists. You just have to be honest in a conventional way after that.

In the old words of wisdom, you can fool some of the people all of the time and all of the people some of the time, and that’s usually enough to get by.

It is wise to remember that you are one of those who can be fooled some of the time.