“Even a vortex is a vortex in something. You can't have a whirlpool without water; and you can't have a vortex without gas, or molecules or atoms or ions or electrons or something, not nothing.”

“… we've got so many laws you can't breathe without breaking something.”

“You can't live a perfect day without doing something for someone who will never be able to repay you.”

“You don't get something for nothing
You can't have freedom for free.
You won't get wise
With the sleep still in your eyes
No matter what your dream might be.
-- Something for Nothing (1976)”

“Yes, Jenna, I love you with all my heart. And with my atoms and molecules and electrons and whatever further breakdown you require.”

“People fall in love without reason, without even wanting to. You can't predict it. That's love.”

“If you can't look after something in your care, you have no right to keep it.”

“You can't live without illusions, even if you must fight for them.”

“Nothing makes you madder than wanting to defend yourself against something you can't even get hold of, something the human race is doing to you, but still there's nobody you can grab by the throat.”

“… You can't unlearn something, even if you want to. You know what you know.”