“ A sense of humor... is needed armor. Joy in one's heart and some laughter on one's lips is a sign that the person down deep has a pretty good grasp of life. Hugh Sidey Journalist
“ I survived only a year in Berkeley, partly because I declined to sign the anticommunist loyalty oath. Jack Steinberger Physicist
“ Tears shed for self are tears of weakness, but tears shed for others are a sign of strength. Billy Graham Professional Wrestler
“ Once you 'got' Pop, you could never see a sign again the same way again. And once you thought Pop, you could never see America the same way again. Andy Warhol Artist
“ Rascals are always sociable, more's the pity! and the chief sign that a man has any nobility in his character is the little pleasure he takes in others' company. Arthur Schopenhauer Philosopher
“ Wikipedia was a big help for science, especially science communication, and it shows no sign of diminishing in importance. Aubrey De Grey Author