Lincoln continued to try to show that he could lead the country out of a time of war and uncertainty, while also giving voice to the principles of equality for which the war had been fought. While a free black person noticed how vulnerable Lincoln was to being shot, he seemed to give no thought to his personal safety. For Booth, who disagreed with and hated Lincoln’s principles, the new idea of voting rights for blacks was so enraging that it prompted him to begin thinking of a new line of attack on the president. Instead of coming up with a detailed plan for an attack, Booth was learning he would need to act when the chance presented itself.