I am a soft iron bar, which has been magnetized. Keep me in a strong magnetic field,

I am an English keeper of soft iron, and a permanent magnet. I keep soft iron from becoming a permanent magnet, but I cannot keep myself from becoming a soft iron keeper of…

I am a friend of the human race. I have no respect of persons, and I know no difference between the high and the low, the rich and the poor, the learned and the ignorant, the good…