29:13 find me. Although this promise was given specifically to the Israelites exiled in Babylonia, the principle is universally true. Note Hebrews 11:6, for example.
29:13 all your heart. The Lord here confirms His promise in Deuteronomy 30:1-3. A half-hearted repentance and faith will not suffice. This promise to ancient Israel applies in principle to any aspect of our relation to God. The first commandment, according to Jesus, is to love God “with all thy heart” (Matthew 22:37).