I understand more than the ancients
Than those that had lived in ages before him; having clearer light given him, and larger discoveries made unto him, concerning the Messiah, his person and offices particularly, as it was usual for the Lord to do; or than aged men in his own time: for though wisdom, knowledge, and understanding, may be reasonably supposed to be with ancient men; who have had a long experience of things, and have had time and opportunity of making their observations, and of laying up a stock of knowledge; and this may be expected from them, and they may be applied to for it; yet this is not always the case; a younger man, as David was, may be endued with more knowledge and understanding than such; so Elihu; see ( Job 8:8-10 ) ( 12:12 ) ( Job 32:6 Job 32:7 Job 32:9 ) . Or, "I have got understanding by the ancients"; so Kimchi; though the other sense seems preferable;
because I keep thy precepts;
keep close to the word; attend to the reading of it, and meditation on it; keep it in mind and memory, and observe to do the commands of it; and by that means obtained a good understanding, even a better one than the ancients; especially than they that were without it, or did not carefully attend unto it; see ( Psalms 111:10 ) .