Sinlessness (Entire Sanctification).

Can we become completely sinless while still in the flesh? [James 3:2, 1 John 2:1-2, 1 John 3:7-9, Galatians 5:16, Luke 6:40, 2 Corinthians 3:18, Matthew 5:48, Luke 6:36, Hebrews 6:1].