Here are 6 Bible verses about overcoming discouragement from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Psalms 27:14 KJV
Wait on the LORD: be of good courage, and he shall strengthen thine heart: wait, I say, on the LORD.
John 14:27 KJV
Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.
1 John 5:14 KJV
And this is the confidence that we have in him, that, if we ask any thing according to his will, he heareth us:
Joshua 1:9 KJV
Have not I commanded thee? Be strong and of a good courage; be not afraid, neither be thou dismayed: for the LORD thy God is with thee whithersoever thou goest.
John 16:33 KJV
These things I have spoken unto you, that in me ye might have peace. In the world ye shall have tribulation: but be of good cheer; I have overcome the world.
Hebrews 4:16 KJV
Let us therefore come boldly unto the throne of grace, that we may obtain mercy, and find grace to help in time of need.