Wisdom is the booby prize given when you've been unwise.
We shall be remembered in history as the most cruel, and therefore the most unwise, generation of men that ever yet troubled the earth: the most cruel in proportion to their sensibility, the most unwise in proportion to their science. No people, understanding pain, ever inflicted so much: no people, understanding facts, ever acted on them so little.john ruskin
Your pretended fear lest error should step in, is like the man that would keep all the wine out of the country lest men should be drunk. It will be found an unjust and unwise jealousy, to deny a man the liberty he hath by nature upon a supposition that he may abuse it.Oliver Cromwell
Truth has no greater enemy than its unwise defenders, and no warmer friends than those who, receiving it in a meek and tolerant spirit, respect the conscientious convictions of others, and seek, in study and in prayer , for the best solution of mysterious and incomprehensible revelations.david brewster
That it is unwise to be heedless ourselves while we are giving advice to others, I will show in a few lines.
Out of that bungled, unwise war An alp of unforgiveness grew.william plomer
It is unwise to make education too cheap. If everything is provided freely, there is a tendency to put no value on anything. Education must always have a certain price on it; even as the very process of learning itself must always require individual effort and initiative.
I believe that there are human stocks with whom it is physically unwise to intermarry, but to think that these stocks are all colored or that there are no such white stocks is unscientific and false.w. e. b. dubois