Jacobi agreed that the objective thing-in-itself cannot be directly known.

Little is directly known about the societal or political structure of Olmec society.

Nothing more is directly known about him, and all the information we have about him comes from much later biographies.

Where grandparents were never directly known their occupations may be remembered, but rarely more than that.

And I would like to learn why she never made her existence known to me directly.

It was known directly, to the furthest confines of the crowd.

The tradition must report a public event of importance, such as would necessarily be known directly to a great number of persons.

"I suppose that also explains why you haven't made yourself known to Alvin directly."

They are appearances of a thing in itself, which cannot be directly known.

The common ancestor of a language family is seldom known directly, since most languages have a relatively short recorded history.