preaching = word, or message. Greek. logos, as in 1Co_1:17.
them that perish = those that are perishing. Greek. apollumi. Compare 2Co_2:15; 2Co_4:3. 2Th_2:10. See Joh_17:12.
foolishness. Greek. moria. Only in this Epistle, verses: 1Co_1:21, 1Co_1:23; 1Co_2:14; 1Co_3:19.
us which are, &c. = those who are being saved, (even) us. This is the order in the Greek. Salvation has more than one aspect. See Rom_13:11. Php_1:2, Php_1:12. 1Th_5:8, 1Th_5:9; 2Ti_1:9; 2Ti_3:15; 2Ti_4:18. 1Pe_1:5.