Galatians 6:9 (NIV)
9Let us not become weary in doing good, for at the proper time we will reap a harvest if we do not give up.
Proverbs 22:17-18 (NIV)
17Pay attention and listen to the sayings of the wise; apply your heart to what I teach,
18for it is pleasing when you keep them in your heart and have all of them ready on your lips.
Isaiah 28:23 (NIV)
23Listen and hear my voice; pay attention and hear what I say.