Whenever I hear anyone arguing for slavery I feel a strong impulse to see it tried on him personally.

Where there is a man who does not labor because another is compelled to work for him, there slavery is.

In giving freedom to the slave, we assure freedom to the free.

As I would not be a slave, so I would not be a master. This expresses my idea of democracy. Whatever differs from this, to the extent of the difference, is no democracy.

A house divided against itself cannot stand. I believe this government cannot endure permanently half slave and half free.

I think that if anything can be proved by natural theology, it is that slavery is morally wrong.