I am your servant; give me discernment that I may understand your statutes.
NIV
I am Your servant; give me understanding (discernment and comprehension), that I may know (discern and be familiar with the character of) Your testimonies.
AMP
I am thy servant; give me understanding, that I may know thy testimonies.
KJV
As we have heard, so we have seen in the city of the LORD Almighty, in the city of our God: God makes her secure forever.
NIV
As we have heard, so have we seen in the city of the Lord of hosts, in the city of our God: God will establish it forever. Selah [pause, and calmly think of that]!
AMP
As we have heard, so have we seen in the city of the LORD of hosts, in the city of our God: God will establish it for ever. Selah.
KJV