He had an uncommon fondness ...

He had an uncommon fondness for cats. As an old man summering in New Hampshire, Twain even rented kittens from a nearby farm to keep him company until he returned home. \
He had an uncommon fondness for cats. As an old man summering in New Hampshire, Twain even rented kittens from a nearby farm to keep him company until he returned home. "If man could be crossed with the cat," said Twain, "it would improve the man, but it would deteriorate the cat." There's always something about your success that displeases even your best friends.

Quotes from the same author

Whenever you find yourself on the side of the majority, it is time to pause and reflect.
Wrinkles should merely indicate where smiles have been.
Whoever is happy will make others happy, too.
Always tell the truth. That way, you don't have to remember what you said.
A thing long expected takes the form of the unexpected when at last it comes.