The Deeper Symbolism of Freemasonry from The Meaning of Masonry by Walter Leslie Wilmshurst.

“and since the Order accords perfect liberty of opinion to all men, the truths it has to offer are entirely ‘free to’ us according to our capacity to assimilate them, whilst those to whom they do not appeal, those who think they can find a more sufficing philosophy elsewhere, are equally at liberty to be ‘free from’ them” [via]