Soul Penetration: the First Emperor Kills Zhao Gao First at the Beginning

Others are top students in history when they travel back in time, but I am a weakling who cannot even recite the dynasties. But when I became Ying Zheng, looking at the shrill and thin eunuch in front of me, an idiom suddenly popped into my mind: referring to a deer as a horse. No matter if he is right or not, cut it first and then talk about it. Anyway, history is messed up, why not let me, a scumbag, try to unify the world?