The means by which we live have outdistanced the ends forwhich we live. Our scientific power has outrun our spiritual power. We haveguided missiles and misguided men.
Conflictis the gadfly of thought. It stirs us to observation and memory. Itinstigates to invention. It shocks us out of sheeplikepassivity, and sets us at noting and contriving.
If you are distressed by anything external, the pain isnot due to the thing itself but to your own estimate of it; and this you havethe power to revoke at any moment.