Anna Karenina by Part 1 Chapter 5 Page 13

Oblonsky could not restrain a slight mocking smile at the sight of Levin. How often he had seen him come up to Moscow from the country where he was doing something, but what precisely Stepan Arkadyevitch could never quite make out, and indeed he took no interest in the matter. Levin arrived in Moscow always excited and in a hurry, rather ill at ease and irritated by his own want of ease, and for the most part with a perfectly new, unexpected view of things. Stepan Arkadyevitch laughed at this, and liked it. In the same way Levin in his heart despised the town mode of life of his friend, and his official duties, which he laughed at, and regarded as trifling. But the difference was that Oblonsky, as he was doing the same as every one did, laughed complacently and good-humoredly, while Levin laughed without complacency and sometimes angrily.