Black Sabbaticals

Few books can have undergone so many re-evaluations as this one, which has developed a fresh approach to terms which the author was apt to take for granted in recent years, never imagining that, one day, they would undergo such extensive re-evaluation as has transpired in this, arguably his most comprehensively exacting and significant work to-date, the overall significance of which is also due to the way in which certain antitheses, like life and death, heathen and Christian, energy and gravity, etc., have been interpreted from a standpoint owing more to philosophical logic than might at first seem to be the case, with highly credible conclusions.