Sylvia Mathews Burwell quotes and aphorisms Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell Sylvia Mathews Burwell ,, We owe an enormous debt of gratitude to those who serve or have served in our country's military, a...