I have nothing to offer but blood, toil, tears and sweat.

Never give in. Never give in. Never, never, never, never—in nothing, great or small, large or petty—never give in, except to convictions of honour and good sense. Never yield to force. Never yield to the apparently overwhelming might of the enemy.

I have nothing to offer but blood, toil, tears and sweat. We have before us an ordeal of the most grievous kind. We have before us many, many long months of struggle and of suffering. You ask, what is our policy? I can say: It is to wage war, by sea, land and air, with all our might and with all the strength that God can give us; to wage war against a monstrous tyranny, never surpassed in the dark, lamentable catalogue of human crime. That is our policy. You ask, what is our aim? I can answer in one word: It is victory, victory at all costs, victory in spite of all terror, victory, however long and hard the road may be;

In “Blood, Toil, Tears, and Sweat,” his first speech as Prime Minister to the House of Commons May 13, 1940 quoted by Jeffrey R. Holland in “However Long and Hard the Road” BYU Devotional 18 Jan 1983

We must just KBO ('Keep Buggering On').

Losers visualize the penalties of failure. Winners visualize the rewards of success.

Danger - if you meet it promptly and without flinching - you will reduce the danger by half. Never run away from anything. Never!