Any use of a human being in which less is demanded of him and less is attributed to him than his full status is a degradation and a waste.
To live effectively is to live with adequate information.
Progress imposes not only new possibilities for the future but new restrictions.
Am I really a good mathematician?
Any labor which competes with slave labor must accept the economic conditions of slave labor.
The best material model of a cat is another, or preferably the same, cat.