One has not only a legal, but a moral responsibility to obey just laws. Conversely, one has a moral responsibility to disobey unjust laws.

Love is the greatest force in the universe. It is the heartbeat of the moral cosmos. He who loves is a participant in the being of God.

We shall overcome because the arc of the moral universe is long, but it bends toward justice.

The moral faculties are generally esteemed, and with justice, as of higher value than the intellectual powers. But we should always bear in mind that the activity of the mind in vividly recalling past impressions is one of the fundamental though secondary bases of conscience. This fact affords the strongest argument for educating and stimulating in all possible ways the intellectual faculties of every human being.

To be in good moral condition requires at least as much training as to be in good physical condition.

Nonviolent passive resistance is effective as long as your opposition adheres to the same rules as you do. But if peaceful protest is met with violence, its efficacy is at an end. For me, nonviolence was not a moral principle but a strategy; there is no moral goodness in using an ineffective weapon.