List of quotes from Richard Feynman
"No problem is too small or too trivial if we can really do something about it."
by Letter to Koichi Mano Richard Feynman
"The worthwhile problems are the ones you can really solve or help solve, the ones you can really contribute something to."
by Letter to Koichi Mano Richard Feynman
"Nature has a great simplicity and therefore a great beauty."
by Richard Feynman