This presentation is but one of many on this subject. There are at least 25 clear passages in the Bible which indicate that God is absolutely aware of every human being and knows them perfectly! This study hopefully will provide you with passages to share with anyone who wonders whether they can hide from God or if He even notices them! (All passages quoted from the New Living Translation unless otherwise noted).
1 Samuel 16:7 - "...The Lord doesn't see things the way you see them. People judge by outward appearance, but the Lord looks at the heart."
1 Kings 8:39 - "...Give Your people what their actions deserve, for You alone know each human heart."
1 Chronicles 28:9 - "...For the Lord sees every heart and knows every plan and thought..."
2 Chronicles 16:9 - "The eyes of the Lord search the whole earth in order to strengthen those whose hearts are fully committed to Him..."
Job 31:4 - "Doesn't He see everything I do and every step I take?"
Job 34:21-22 - "For God watches how people live; He sees everything they do. No darkness is thick enough to hide the wicked from His eyes."
Psalm 7:9 - "...For You look deep within the mind and heart, O righteous God."