"Man is the only animal for whom his own existence is a problem which he has to solve and from which he cannot escape."
I first read his works when I was 19 or 20 years old and I was rapt. Recently I saw a piece on Dr. Fromm on the wonderful website Brain Pickings that reignited my interest in this marvelous intellect. His works are still relevant. If you've read him I recommend rereading his works. If you're unfamiliar read some of his books, you'll be happy you did. His style is neither too dense or too technical and he writes with a heart full of love. His insights are predictive and go straight to the heart of human nature and society maintaining their authority even in the 21st Century.
To get reacquainted with Dr. Fromm spend a few minutes here:
We forget our intellectual heritage at our own peril.