Read Psalms chapter 131 (English Standard Version) on maBible, the Bible online. In this chapter: I Have Calmed and Quieted My Soul, A Song of Ascents. Of David..
1 O Lord, my heart is not lifted up; my eyes are not raised too high; I do not occupy myself with things too great and too marvelous for me.
2 But I have calmed and quieted my soul, like a weaned child with its mother; like a weaned child is my soul within me.
3 O Israel, hope in the Lord from this time forth and forevermore.