Once the fabric of a just society is undone it takes generations to weave it back together.

Why would you be afraid of death? It would be an inconvenience. I have a lot of undone things and it's bound to get in the way. But no it doesn't scare me at all.

Faced with what is right to leave it undone shows a lack of courage.

Besides the noble art of getting things done there is the noble art of leaving things undone. The wisdom of life consists in the elimination of non-essentials.

The one who cannot restrain their anger will wish undone what their temper and irritation prompted them to do.

To separate children from others of similar age and qualifications solely because of their race generates a feeling of inferiority as to their status in the community that may affect their hearts and minds in a way unlikely ever to be undone.