Leyin igba naa, Booth ko oro yii si iwe iranti re, "Anfani nla ni mo ni, ti o ba wunmi lati pa aare ni ojo iwuye aare!"Ni Ojo ketadinlogun Osu keta Odun 1865, Booth so fun awon olote elegbe re pe Lincoln maa wa wo ere itage, Still Waters Run Deep, ni Ile Iwosan Olofun ti Campbel.. 
Tí à ń pe bàwọn lábébé  rẹ̀ ní Hurwitz determinants.CS1 Hurwitz matrices ní ìmọ̀ ẹ̀rọ, àti àlàyé ìṣinṣin, a ń pe square matrix ní ìdúróṣinṣin matrix (tàbí nígbà nígbà ní Hurwitz) tí gbogbo eigenvalue ti ti ní apá òdì,  fún ìdará eigenvalue .. 