Lay Christ in the bottom.

Let every student be plainly instructed and earnestly pressed to consider well [that] the main end of his life and studies is to know God and Jesus Christ which is eternal life, John 17:3, and therefore to lay Christ in the bottom, as the only foundation of all sound knowledge and learning.

Rule of Harvard College at its founding, quoted in Perry Miller and Thomas H. Johnson, The Puritans – A Sourcebook of Their Writings, p. 702, and in Leland Ryken, Worldly Saints, p. 161.