doubt Quotes

The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once.

It is only prudent never to place complete confidence in that by which we have even once been deceived.

I think there's a lot of intelligence out there, but that's just my guess. Question is: Are they peaceable or hostile? You could say that the peaceable ones are just going to stay at home and play with their Nintendos, so if you do meet any of them, they might be hostile.

While I have always thought that the motivation for looking for E.T. was both self-evident and patently worthy, it's possible that I'm a victim of my own job description. Others don't inevitably agree. Some will opine that there are better ways to spend the money.

It's always a tough call deciding whether, as a scientist, you should argue publicly with the creationists. It's a dilemma that I encounter frequently in another subject area: Does it make sense to bandy words with someone from the UFO community?

'E.T.' was far-fetched. 'E.T.' was this wimpy-looking kid that came to Earth to pick some plants, but he came from the Andromeda Galaxy to do that.

We lost because we told ourselves we lost.

I don't know if you ever really feel like you've made it.

I think both the space shuttle program and the International Space Station program have not really lived up to their expectations.

Sending a couple of guys to the Moon and bringing them back safely? That's a stunt! That's not historic.