'Relying' in the Bible

The Lord said to Moses, “How long will these people treat me disrespectfully and reject Me? And how long will they not believe in Me, despite all the [miraculous] signs which I have performed among them?

Now pay attention: you are relying on Egypt, on that staff of crushed reed; if a man leans on it, it will only go into his hand and pierce it. So is Pharaoh king of Egypt to all who trust and rely on him.

Then Israel believed in [the validity of] His words;They sang His praise.

Then they despised the pleasant land [of Canaan];They did not believe in His word nor rely on it,