He proved that although he was driven by a divine purpose to rid the world of this iniquitous slave trade, to execute this mission he needed to be strong, worldly, smart and political.

• 他明白到，虽然他是出于宗教信念去推动废奴，但要达到目的，除了信仰外他还需要强悍、圆滑、聪敏及权力。