This inspirational quotation is from Devotions upon Emergent Occasions a 1624 work by the English poet John Donne. It reminds us of our connections to the rest of humanity and that human beings do not thrive when we are isolated from others - an important message in these turbulent political times. We reproduce the full verse here:
No man is an island
Entire of itself
Every man is a piece of the continent
A part of the main.
If a clod be washed away by the sea
Europe is the less.
As well as if a promontory were.
As well as if a manor of thy friend's
Or of thine own were:
Any man's death diminishes me
Because I am involved in mankind
And therefore never send to know for whom the bell tolls;
It tolls for thee.