dialogue from the movie Serenity --
captain malcolm reynolds: so, you gonna ride shotgun with me, help me fly?
river tam: that's the plan.
mal: we need to work out ...... ok. clearly some aptitude for the ...... it ain't all buttons and charts, little albatross. know what the first rule of flying is? well, i suppose you do, since you already know what i'm about to say.
river: i do. but i like to hear you say it.
mal: love. you can do all the math in the 'verse, but you take a boat in the air you don't love, she'll shake you off just as sure as the turning of worlds. love keeps her in the air when she oughta fall down, tells you she's hurtin' 'fore she keens, makes her home.
river: storm's getting worse.
mal: we'll pass through it soon enough.