Man is improvable. Some people think he is only a machine, and that the only difference between a man and a mill is, that one is carried by blood and the other by water.
Be ashamed to die until you have won some victory for humanity.
We go by the major vote, and if the majority are insane, the sane must go to the hospital.
Ideality is the avant-courier of the mind.
We do ourselves the most good doing something for others.
Every addition to true knowledge is an addition to human power.