WSC Q.8: How doth God execute his decrees?
God executeth his decrees in the works of creation and providence.
WLC Q.14: How doth God execute his decrees?
God executeth his decrees in the works of creation and providence, according to his infallible foreknowledge, and the free and immutable counsel of his own will. (Eph. 1:11)
WCF 5.1.
God the great Creator of all things doth uphold, (Heb. 1:3) direct, dispose, and govern all creatures, actions, and things, (Dan. 4:34–35, Ps. 135:6, Acts 17:25–26,28) from the greatest even to the least, (Matt. 10:29–31) by His most wise and holy providence, (Prov. 15:3, Ps. 104:24, Ps. 145:17) according to His infallible foreknowledge, (Acts 15:18, Ps. 94:8–11) and the free and immutable counsel of His own will, (Eph. 1:11) to the praise of the glory of His wisdom, power, justice, goodness, and mercy. (Isa. 63:14, Eph. 3:10, Rom. 9:17, Gen. 45:7, Ps. 145:7)