A Quote by John H. Vandenberg on challenge, day, god, knowledge, life, mediocrity, prophets, salvation, science, present, and time

You are challenged to avoid mediocrity, acquire knowledge from the sages of antiquity, the achievements of the scientific present, and the prophets of the living God. Isaiah once spoke as follows, In an acceptable time have I heard thee, and in a day of salvation have I helped thee: . . . Isaiah 49:8. KJV