Matthew 5:4
Happy are they that mourn; for they shall be comforted.
Matthew 11:28-30
Come to me, all ye that labour, and are heavy laden, and I will give you rest.
1 Corinthians 11:31
For if we would judge ourselves, we should not be judged.
Hebrews 4:3
For we that have believed, do enter into the rest; as he said, I have sworn in my wrath, They shall not enter into my rest, though the works were finished from the foundation of the world.
Hebrews 4:11
Let us labour, therefore, to enter into that rest, lest any one should fall, after the same example of unbelief.