Different Quote by George Bernard Shaw

Only fools don't contradict themselves

— Andre Gide

Fools are very confident, wise are confused.

— Yssubramanyam

Only the fools are certain and assured.

— Michel de Montaigne

I tell you the world is full of fools and only fools call each other fools.

— Vikrant Parsai

While fools shun one set of faults they run into the opposite one.

— Horace

Wise men change, fools stay the same.

— Kevin Gates

Foolproof systems don't take into account the ingenuity of fools

— Gene Brown

Foolproof systems to not take into account the ingenuity of fools.

— Gene Brown

Even fools are right sometimes.

— Winston Churchill

Doing one fool thing after another is not so terrible when you consider the human proclivity to do several fool things at once.

— Robert Breault

If you believe you have a foolproof system, you've failed to take into consideration the creativity of fools.

— Frank Abagnale

Wise men make proverbs, but fools repeat them.

— Samuel Palmer