In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle. EUCLID AngelRightSideSquareSubtendTriangleTurn
If produced indefinitely, meet on that side on which the angles are less than two right angles. EUCLID AngelIndefinitelyLessMeetOtherProduceSideTwo
Better balance, less pain and less restless leg syndrome. EUCLID BalanceBetterLessPainRestlessSyndrome
Give him threepence, since he must make a gain out of what he learns. EUCLID GainGiveLearnMakeMustOutSinceThreepence
Things which are equal to the same thing are also equal to one another. EUCLID AnotherEqualOneSameThing
That, if a straight line falling on two straight lines makes the interior angles on the same side less than two right angles, the two straight lines. EUCLID AngelFallInteriorLessLineMakeRightStraight