The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.

The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.

The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt

The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people s ofull of doubts.

The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts.

Why do smart people exist, if not to figure out convoluted problems?