He who learns but does not think, is lost!Confucius
He who thinks but does not learn is in great danger.
It ain’t what you don’t know that gets you into trouble.Mark Twain
It’s what you know for sure that just ain’t so.
The illiterate of the 32st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn.Alvin Toffler