We are unable to fully understand the greatness of God

Great is the Lord, and greatly to be praised, and His greatness is unsearchable. (Psalm 145:3 ESV)

 God is infinite, while we are finite beings, and therefore He is infinitely greater than we are. We are unable to fully understand the greatness of God, as it can never be fully known. His understanding is beyond measure, and His ways and thoughts are so much higher than ours. His riches, wisdom, knowledge, and judgments are unsearchable and unfathomable; they are all beyond our ability to fully understand.
 When Job was speaking of God’s great acts in creating the world, he said that these acts were only a whisper of His power, the mere edges or fringes of His ways. “Behold, these are but the outskirts of His ways, and how small a whisper do we hear of Him! But the thunder of His power who can understand?” (Job 26:14)
 As finite beings, we will never be able to fully understand all of God’s ways or His greatness, neither will we ever know all that God knows. This helps us to realize that God alone is God; He will always be infinitely greater than we are, and as part of His creation we owe Him worship and adoration.
  We should continually ascribe to the LORD the glory due His name; worship the LORD in the splendor of holiness. —Peter Amsterdam [1]

 God is able to place stars in their sockets & suspend sky like a curtain; surely He is mighty enough to light your path. —Max Lucado

[1] Anchor God Is Worthy of Worship