He sat down upon one of the cane chairs and gazed sternly at Alvarez.

Truly, it is a terrible thing to meet the accusing gaze of a man who fears neither torture, nor death, nor the world to come! The accusation is likely to be true.

Alvarez looked away.
Twice within one day he who, with reason, thought himself so courageous had been forced to yield to the gaze of another, and his heart was full of angry rebellion.

But he knew that knowledge and power dwelt under the simple black robe of this man.
"It seems," said Father Montigny, and there was a slight touch of irony in his tone, "that I came at the right moment." Francisco Alvarez compelled his face to smile, though his heart was raging.
"I have already apologized, Father Montigny," he said, "for what I was about to do.

And yet the phrase 'about to do' is wrong.