“A good ship is never tested in calm waters.”

“Walking in faith: first you test the water, then the water tests you.”

“When you're testing to see how deep water is, never use two feet.”

“Sitting calmly on a ship in fair weather is not a metaphor for having faith; but when the ship has sprung a leak, then enthusiastically to keep the ship afloat by pumping and not to seek the harbor--that is the metaphor for having faith. (Concluding Unscientific Postscript)”

“Love is the Turing test, says Ilet when she is eighty and drawing up the plans for a massive, luminous, lonely ship she will never see completed. It is how we check for life. We ask and we answer. We seek a human response. And you are my test, Elefsis, says Neva, one hundred and three years later, inside that ship, twelve light years from home and counting.”

“It is the calm and silent waters that drown you.”