Rashness: Moses, in Killing the Egyptian
Source: Nav
Exodus 2:11, 12
One day, after Moses had grown up, he went out to his own people and observed their hard labor. He saw an Egyptian beating a Hebrew, one of his own people. / After looking this way and that and seeing no one, he struck down the Egyptian and hid his body in the sand.
Acts 7:24, 25
And when he saw one of them being mistreated, Moses went to his defense and avenged him by striking down the Egyptian who was oppressing him. / He assumed his brothers would understand that God was using him to deliver them, but they did not.