In science, if an idea is not falsifiable, it is not that it is wrong, it is that we cannot determine if it is wrong, and thus it is not even wrong.

I just witnessed an event so mysterious that it shook my skepticism.

I care what is actually true, even more than what I hope is true.

Machine intelligence of a human nature could be a century away, and immortality is at least a millennium away, if not unattainable altogether.

Because of the complexity of the problem, environmental skepticism was once tenable. No longer. It is time to flip from skepticism to activism.

...evolution is not a religious tenet, to which one swears allegiance or belief as a matter of faith.. It is a factual reality of the empirical world. Just as one would not say 'I believe in gravity," one should not proclaim 'I believe in evolution.

Belief is the natural state of things. It is the default option. We just believe. We believe all sorts of things. Belief is natural; disbelief, skepticism, science, is not natural.