A man's pride shall bring him low - A proud man is universally despised, and such are often exposed to great mortifications.
Albert Barnes
Notes on the Whole Bible
Honour shall uphold the humble in spirit - Better: The lowly in spirit shall lay hold on honor.
SDA Bible Commentary (limited)
Volume 1-7
23. Uphold the humble. The second clause reads literally, “the humble one of spirit shall lay hold of honor.” Not only does the humble man eventually gain honor, but he retains it, because the same humility characterizes him after he has been elevated as marked his conduct before (see Prov. 15:33; 16:18, 19; 25:6, 7; Dan. 2:30; Luke 14:11).