An invincible determination can accomplish almost anything and in this lies the great distinction between great men and little men.
If we turn our backs of the Scythians who have provoked us, how shamefully shall we march against the revolted Bactrians; but if we pass Tanais and make the Scythians feel, by dear experience, that we are invincible, not in Asia only, it is not to be doubted but that Europe itself, as well as Asia, will come within the bounds of our conquests.
In the depth of winter, I finally learned that within me there lay an invincible summer.