“Are we biology or God or something higher? I know my heart beats and I listen to it. The beat is biology, but what is the song? ”

“Sometimes Thomas Mackee will stick an earphone into my ear and ask me to listen to a song. When I get over the revulsion of putting something in my ear that's been in his, I sit back and let the music take over, and for a half hour there's something comforting about someone's heart beating at the same rhythm as mine.”

“It's a lot like a biology study date,' I told my reflection nonchalantly. 'Only... Without the biology and studying.'Biology study date...”

“In the cool of evening, in the silent shadowy barn, as we lay watching the sun ducking behind the treetops in the distance, I could hear my heart beating out the rhythm of my love for Frank. And when I rested my head against Frank’s warm chest, I could hear his heart beating out the same sweet song for me.”

“My ex girlfriend and I, we had chemistry together. And right after that, we had biology.”

“Gods, how I’ve missed you. (Stryker)I hate you with every beat of my heart. (Zephyra)”