I like commas.

“Tut, tut. We can't let mere sentiment intrude. This is Science.”

“He turned away from me, the better to hide the exclamation of annoyance which h…”

“What is the future going to be like, then?' 'Hey, it's gonna be a gas,' Scape a…”

“Age, like wealth is but a mental abstraction, my boy"~ Herr Doktor Pavel”