IF

"If you can keep your head when all about you

Are losing theirs and blaming it on you;

If you can trust yourself when all men doubt you,

But make allowance for their doubting too:

If you can wait and not be tired by waiting,

Or being lied about, don't deal in lies,

Or being hated don't give way to hating,

And yet don't look too good, nor talk too wise;

….

'''If you can talk with crowds and keep your virtue,

Or walk with Kings—nor lose the common touch,

If neither foes nor loving friends can hurt you,

⁠If all men count with you, but none too much''':

If you can fill the unforgiving minute

⁠With sixty seconds' worth of distance run,

Yours is the Earth and everything that's in it,

And—which is more—you'll be a Man, my son!"

~Rudyard Kipling

https://www.owleyes.org/text/if-kipling/read/poem#root-4