Sentence Examples with the word margin of safety

Sometimes severely handled by the British, sometimes escaping only by the narrowest margin of safety from the columns which attempted to surround him, and falling upon and annihilating isolated British posts, De Wet continued to the end of the war his successful career, striking heavily where he could do so and skilfully evading every attempt to bring him to bay.

Hence to give a margin of safety to cover contingencies not calculable, an excess of material must be provided.