"We have nothing to fear but fear itself."
- Franklin D. Roosevelt

"Veni. Vidi. Vici." (I came. I saw. I conquered.)
- Julius Caesar

"We shall defend our island, whatever the cost may be. We shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets, we shall fight in the hills; we shall never surrender."
- Winston Churchill

"Ask not what your country can do for you; ask what you can do for your country."
- John F. Kennedy

"The harder the conflict, the greater the triumph."
- George Washington

"Damn the torpedoes. Full speed ahead!"
- Admiral David Glasgow Farragut at the Battle of Mobile Bay

And now to these words we can add:
"Just stay calm. It will go away."
- Donald J. Trump about the coronavirus, 10 March 2020