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The better he knew his brother, the more he noticed that Sergey

Ivanovitch, and many other people who worked for the public

welfare, were not led by an impulse of the heart to care for the

public good, but reasoned from intellectual considerations that

it was a right thing to take interest in public affairs, and

consequently took interest in them. Levin was confirmed in this

generalization by observing that his brother did not take

questions affecting the public welfare or the question of the

immortality of the soul a bit more to heart than he did chess

problems, or the ingenious construction of a new machine.