One has to devote oneself to a particular pursuit. To be successful at anything, you have to make a total commitment to it.
It has pleased and interested me to see how I could get along under difficult circumstances and with so much discomfort but as I say I was not sent out here to improve my temper or my health or to make me more content with my good things in the East.
What we find is that our brains have colossal things happening in them all the time.