Ngitshele ukuthi yimaphi amagama ezemathematika kulokhu okulandelayo: uDavid Hilbert, u-Augustine-Louis Cauchy, uWilliam Shakespeare.
UDavid Hilbert no-Augstin-Louis Cauchy bobabili bang izazi zezibalo. UWilliam Shakespeare akayena isazi sezibalo, kodwa ungumlobi.