Harvey Mackay Quotes

Being convinced one knows the whole story is the surest way to fail.

Stupidity combined with arrogance and a huge ego will get you a long way.

Beware of being blinded by your own success.

We think we know what's right. With excessive pride comes blindness.

Why was it that pride and foolishness were so often close companions?

Companies which get misled by their own success are sure to be blind sided.

Thinking you know something is a sure way to blind yourself.

The blindness of men is the most dangerous effect of their pride; it seems to nourish and augment it; it deprives them of knowledge of remedies which can solace their miseries and can cure their faults.

We thought we were done with these things but we were wrong. We thought, because we had power, we had wisdom.

What is a sophisticate? He is a man who thinks he can swim better than he can and sometimes he drowns.

The worst thing you could ever get is people who think they know everything.

A fool often fails because he thinks what is difficult is easy.

They are most deceived that trusteth most in themselves.

Who think themselves most wise are greatest fools

DuPont had the idea there was nobody in the universe who could tell them anything.

My biggest problem is overconfidence.

The minute you start believing your own success, you're on the road to ruin.

I was an arrogant man. I not only thought I could manage my life without help, I wanted it that way. I had best-selling books and a TV show and movie contracts; I felt invincible, secure in the thought that everything was my doing. And then, like all arrogant men, I came to stumble.

There is a danger in believing your own hype.

When as smart as you think you are is as wrong as you turn out to be, your life can fall out from under you.

Self-complacency is the companion of ignorance.

Thinking you know when in fact you don't is a fatal mistake, to which we are all prone

There are some things the arrogant mind does not see; it is blinded by its vision of what it desires.

If we humans are good at anything, it’s thinking we’ve got a terrific idea and going for it without acknowledging the potential consequences or our own ignorance.

Pride blinds people to the truth of what they are.