"You have no idea." Harvey will allow himself to vent a little. It will sell this.

"It's all right there. It's so close I can almost taste it. I've been working on it, small parts at a time, trying to unravel it. But the entire equation eludes me still. You're one of the brightest minds here. If anyone can help me do it, you can. I do wonder, could the way your L-space travel works hold some answers? It's something I haven't tried yet."