And that inverted Bowl they call the Sky, Whereunder crawling cooped we live and die, Lift not your hands to It for help-for it As impotently moves as you or I
Omar KhayyamThere was a door to which I found no key: There was the veil through which I might not see.
Omar KhayyamBy the help of God and with His precious assistance, I say that Algebra is a scientific art. The objects with which it deals are absolute numbers and measurable quantities which, though themselves unknown, are related to "things" which are known, whereby the determination of the unknown quantities is possible.
Omar Khayyam