Mark 10:38

10:38 But Jesus said to them, “You don’t know what you are asking! Are you able to drink the cup I drink or be baptized with the baptism I experience?”

Romans 8:26

8:26 In the same way, the Spirit helps us in our weakness, for we do not know how we should pray, but the Spirit himself intercedes for us with inexpressible groanings.

James 4:3

4:3 you ask and do not receive because you ask wrongly, so you can spend it on your passions.