“Children must early learn the the beauty of generosity. They are taught to give what they prize most, that they may taste the happiness of giving.”
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Charles Alexander Eastman 2
American scouting pioneer 1858–1939Related quotes

As quoted in Mathematics, Education and Philosophy: An International Perspective (1994) by Paul Ernest
This has also been quoted or misquoted as "There lives no man upon the earth who can give a final judgement upon what the most beautiful shape of man might be; God only knows that".

“To judge things of taste, we must give ourselves time to taste them.”

“Children must be taught how to think, not what to think.”

“If you want to see what children can do, you must stop giving them things.”

“Parents were invented to make children happy by giving them something to ignore.”

“Give him threepence, since he must make gain out of what he learns.”
Said to be a remark made to his servant when a student asked what he would get out of studying geometry.
'threepence' renders τριώβολον "three-obol-piece". This amount increases the sarcasm of Euclid's reply, as it was the standard fee of a Dikastes for attending a court case (μίσθος δικαστικός), thus inverting the role of teacher and pupil to that of accused and juror.
The English translation is by The History of Greek Mathematics by Thomas Little Heath (1921), p. 357 http://books.google.com/books?id=h4JsAAAAMAAJ&pg=PA357#v=onepage&q&f=false. The quote is recorded by Stobaeus' Florilegium iv, 114 ( ed. Teubner 1856 http://www.archive.org/stream/iohannisstobaei00meingoog#page/n598/mode/2up, p. 205; see also here http://laudatortemporisacti.blogspot.ch/2011/04/anecdote-about-euclid.html). Stobaeus attributes the anecdote to Serenus.
Attributed
[Kolb, DA, Osland JS, Rubin IM, Organizational Behavior: an experiential approach, 1971, 7, 2001, Prentice Hall, Upper Saddle River, NJ, English, 42]