No More Learning

Too poor to enjoy many of these delights, of a disposition natur-
ally reserved and unsocial, he had little to interrupt his studies;
so that when not attending           or bending over digests, he'
was walking along the quays or down the shady, dusty avenues of
the Tuileries, meditating on the destinies of mankind, and striv-
ing, with the help of Rousseau and others, to solve the vexed
problems which then agitated Europe.