As a species, humans tend to be very good at risk evaluation.

Humans tend to laugh when they see the effect of a machine within the human body.

"Humans tend to notice things more when they are in contrast with something else."

Humans tend to use the word peace rather loosely, don't you agree?

From a very young age, humans tend to be one of a dog's primary social contacts.

Humans tended to look more at the influence of history on geography.

But then, it didn't really matter; all humans tended to look alike.

Humans tend to assume that all expressions of language mean something.

Naturally, humans have tended to concentrate on what they can see.

Humans tend to be sentimental, even in war, and Kirk was no different.