"...The purpose of this course of lectures is to sketch the main features of the growth of these two dominant ideas to show how they have influenced man at the different periods of his evolution how the lamp of reason so early lighted in his soul burning now bright now dim has never even in his darkest period been wholly extinguished but retrimmed and refurnished by his indomitable energies now shines more and more towards the perfect day. It is a glorious chapter in history in which those who have eyes to see may read the fulfilment of the promise of Eden that one day man should not only possess the earth but that he should have dominion over it! I propose to take an aeroplane flight through the centuries touching only on the tall peaks from which may be had a panoramic view of the epochs through which we pass..."