Bitterness Quote by John Steinbeck
“We, or at least I, can have no conception of human life and human thought in a hundred years or fifty years. Perhaps my greatest wisdom is the knowledge that I do not know. The sad ones are those who waste their energy in trying to hold it back, for thy can only feel bitterness in loss and no joy in gain.”
![“Teaching might even be the greatest of the arts since the medium is the human mind and spirit. My three [great teachers] did not tell - they catalyzed a burning desire to know. Under their influence, the horizons sprung wide and fear went away and the unknown became knowable. But most important of…” quote by John Steinbeck](https://sms4smile.com/quotes/img-quotes/84c/john-steinbeck-71_art_teaching-might-even-be-the-greatest-of-t_1738.jpg)
