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I am always cautious.

How prone to doubt, how cautious are the wise!

I make a joke that I'm the Internet curmudgeon, but 'wary' is a good way to put it.

If one is forever cautious, can one remain a human being?

The sense of danger is never, perhaps, so fully apprehended as when the danger has been overcome.

We necessarily operate in an environment in which there's a great deal of uncertainty. In such an environment, it makes sense to use a risk-management approach to identify and avoid the big mistakes. That's one reason I favor a cautious approach.

I'm instinctively cautious because I'm an academic.

I always try to be cautiously optimistic.