Charles Spurgeon Commentary Haggai 2:8

"The silver is mine, and the gold is mine, saith Jehovah of hosts." — Haggai 2:8 (ASV)

The silver is mine, and the gold is mine, saith the LORD of hosts.

The released captives had not much of it with which to build the second temple, but God had all that was needed, and he was willing to supply them with enough for all the needs of the great work which they had undertaken in his name.