Ninety percent of the trouble in this world comes from guys who think they have something to prove.

Earth is the crossroads of every possible alien. We're the McDonald's next to the highway of the galaxy.

With enough time, you can get used to almost anything.

"Give me liberty or give me death." A human named Patrick Henry said that. I wonder if the Yeerks knew before they came to conquer Earth that humans said things like that. I wonder if the Yeerks knew what they were getting into.

But mostly, I remembered what I’ve always believed. What my mom taught me. That while some things are just plain awful, most things in life can be seen either tragic or comic. And it’s your choice. Is life a big, long, tiresome slog from sadness to regret to guilt to resentment to self-pity? Or is life weird, outrageous, bizarre, ironic, and just stupid? Gotta go with stupid. It’s not the easy way out. Self pity is the easiest thing in the world. Finding the humor, the irony, the slight justification for a skewed, skeptical optimism. That’s tough. - Marco, Animorphs #35: The Proposal

Mosquitoes are the greatest mass murderers on planet Earth.

They think we’re intelligent. So, Marco, keep quiet. We don’t want them to learn the truth.” Rachel