One has no greater wisdom than he who takes advice from someone wiser then himself.
If you have no shoes you suffer from where you tread, if you have no wisdom you suffer from what you said.
Lance Armstrong took drugs and won seven Tour de France. I take drugs and can hardly wheel the bike out of the shed. Now where is the wisdom in that?
Having wisdom is not being smart, being smart is having wisdom but not showing it unless someone is being smart.