"Take HEED therefore that the light which is in thee be not darkness." Luke 11:35
"Study your Bible, HEED the testimonies that God has sent to you and be wise. {SpM 332.5}
"God calls upon His people, who have the light before them in the Word and in the Testimonies, to read and consider, and to take HEED. {2SM 38.1}
"I implore you to HEED the light which God has given, and reform." {4T 503.1}
"Therefore we ought to give the more earnest HEED to the things which we have heard, lest at any time we should let them slip." Hebrews 2:1