Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true. ...

[One's] inability to invalidate your hypothesis is not at all the same thing as proving it true. (Carl Sagan)

Carl Sagan Quotes Pictures

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

Carl Sagan Quotes: [One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.