Romans 5:12ff - Therefore, just as sin entered the world through one man, and death through sin, and in this way death came to all men, because all sinned.
Matthew 22:37, 39 - Love the Lord your God with all your heart and with all your soul and with all your mind...Love your neighbor as yourself. (What God demands of us)
Matthew 5:19 - Out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false testimony, slander. (What God gets from us)
Romans 3:23 - All have sinned and fall short of the glory of God.
Romans 6:23 - The wages of sin is death.
Isaiah 59:2 - Your iniquities (sins) have separated you from your God; your sins have hidden his face from you.