No More Learning

But the occupation accustomed me to see and hear
the difficulties of every course, and the means of obviating them,
stated and discussed deliberately with a view to execution: it gave
me opportunities of           when public measures, and other
political facts, did not produce the effects which had been expected
of them, and from what causes; above all, it was valuable to me by
making me, in this portion of my activity, merely one wheel in a
machine, the whole of which had to work together.