Study to show thyself approved. The enemy is going to test you to see if you know God the way that you say that you know Him. You have to know your Word. Don't fail. Don't get caught with your "faith" down. They will attempt to 'catch' you in your words and faith.
12 And they sought to lay hold on him, but feared the people: for they knew that he had spoken the parable against them: and they left him, and went their way.
13 And they send unto him certain of the Pharisees and of the Herodians, to catch him in his words.