Ezekiel 36:20

²⁰ And when they entered unto the heathen, whither they went, they profaned my holy name, when they said to them, These are the people of the LORD, and are gone forth out of his land.

Job 17:15

¹⁵ And where is now my hope? as for my hope, who shall see it?

'The sick,' as in Matthew 25:35, signify people who are in evil who acknowledge that in themselves there is nothing but evil.