* God cannot lie (Num. 23:19; 1 Sam. 15:29; Titus 1:2; Heb. 6:18; etc.)!
* God cannot change (Ps. 102:27; Mal. 3:6; Heb. 6:17; Jam. 1:17; etc.)!
* God cannot be surprised (Ps. 147:5; Isa. 40:26; 46:10; Jer. 1:5; Acts 2:23; 15:18; Rom. 8:29; 11:2; 1 Pet. 1:2; etc.)!
When we say that God is omniscient or "all-knowing," sometimes we forget that God is also eternal (Deut. 33:27; Ps. 90:2; Rom. 1:20; 1 Tim. 1:17; Heb. 9:14; etc.). Because God has always existed, and because He is "all-knowing," it is impossible to surprise Him.
It is also impossible to disappoint Him. God knew exactly what we would think, what we would say, and what we would do, before He created us. Evidence of that is clearly taught by Jesus Christ being called "the Lamb of God who taketh away the sins of the world" (Jn. 1:29, 36). God knew the sins for which His Son would die before the world was created (1 Pet. 1:18-20; Rev. 13:8; 17:8; etc.)!
At the Feast of Wave Loaves (a.k.a. as the Feast of Weeks, and the Feast of Pentecost - Lev. 23:15-22), the people of Israel were to bring out of their habitations, two wave loaves, made of wheat and leaven (v. 17). The Feast, although one of Israel's seven annual feasts, was also a picture of the beginning of the Church (Acts 2:1-47).
Leaven is always a symbol of sin in the Bible (Mt. 16:6, 11-12; 1 Cor. 5:7-8; Gal. 5:9; etc.). That is why it is strange that God told Israel, they were to purge out all leaven during the Spring Feasts (Lev. 23:4-8), but to include leaven in the two wave loaves. He did so because He is Omniscient! He did so because He foresaw that the Church would be made up of both saved Jews, and saved Gentiles (Gal. 3:28; Eph. 2:11-16; etc.). He knew that, although they were saved, they would still sin (Rom. 7:15-25; 1 Jn. 1:8-10; etc.). He saved us while we were sinners (Rom. 5:8) and He is in the process of cleansing us and making us into the image of His Son (Rom. 8:28-29; Phil. 1:6; 1 Jn. 3:2; etc.).
Believe it or not, we are His workmanship, and His work will be perfect!