Sagan was a brilliant man.

[tick_tock_man]

"In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken," and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it

Comments

[pro_pyro]

Thats solid gold.

[mellowmcyellow]

He certainly was!