"Personal Log, Stardate 41153.7. Recorded under security lockout Omega 3-2-7. I have decided not to inform this crew of my experiences. If it's true that I've traveled to the past, I cannot risk giving them foreknowledge of what's to come."
"Personal Log, Stardate 41153.8. Of the 24 hours Q allotted us to prove ourselves 11 have now passed without incident and yet I cannot forget Q's prediction that we will face some critical test." (TNG: "Encounter at Farpoint")