Here are some famous quotes from Calvin and Hobbes comics:

Calvin: My life needs a rewind/erase button.
Hobbes: And a volume control.

Hobbes: Most people don't sleep well next to a hungry tiger.

Hobbes: I like to say "quark"! Quark, quark, quark, quark!

Calvin: Sometimes I think that the surest sign that intelligent life exist elsewhere in the universe is that none of it has tried to contact us.

Calvin: I couldn't read it because my parents forgot to pay the gravity bill.