Sentence examples for this is clearly true from inspiring English sources

This is clearly true in Iraq.

In countries like Pakistan, this is clearly true.

This is clearly true for custom-made suits.

All this is clearly true, despite the fact that open source's opponents chief among them Microsoft, the world's largest software company try to deny it.

This is clearly true for X, because x is his dominant strategy; given X's choice of x, z is dominant for Z; and given these choices by X and Z, z is dominant for Y.

This is clearly true for t > 0 sufficiently small because c ∈ ( k, 1 ).

This was clearly true of Ossip Bernstein.

This was clearly true of the debt incurred to win World War II.

This was clearly true, but to pretend that they did not happen would have been a Soviet propaganda myth.

This much is clearly true: rising racial and religious antagonisms are a threat to the social peace of Europe.

What this sentence says is clearly true, and we can say that it is true without being committed to even the minimal being of Pegasus.