Simultaneously Wladislaus contracted an offensive and defensive alliance with Venice against the Porte, a treaty directly contrary indeed to the pacta conventa he had sworn to observe, but excusable in the desperate circumstances.
Such language was excusable in the men of the Renaissance, fighting the battle of classic form and beauty and of the manysidedness of life against the barbarous terminology and the monastic ideals of the schools, or in the protagonists of modern science.
Although the slaughter of a labouring ox was forbidden, it was considered excusable in the exceptional circumstances; none the less it was regarded as a murder.
Such rudimentary and imperfect sketches would be quite excusable in a first draft, but inexcusable and incredible after the Nicomachean Ethics had been written.
Yet it is surprising - and scarcely excusable - that Nicholas, while selecting the men whom he considered necessary for his literary work, passed over much which ought to have aroused grave suspicion in his mind.