Visscher was none the wiser. For all he knew, or cared right then, Belloq was doing a charitable thing for him and giving him sagely advice. He might have frowned if he did know but... only a little. He was still helping him, even if it was for selfish reasons, and Visscher was not so stupid that he'd be unhappy about help where it was offered.

Listening vaguely, he just nodded. "I appreciate planets, but the bulk of my life has been spent aboard space stations. My own skills are rather directed towards other purposes. Unfortunate in this case but I do thank you." The way that he said "thank" was nearly "sank". Though he probably wielded English far better than a number of Germans that Belloq had encountered over his career.

More politely, too.