If I may add something here, I'd say that it's a blessing sorrow and happiness are impermanent so that we may value each state for what it offers (priceless wisdom for the former and body rejuvenation in record time for the latter).

Nonetheless, whenever we awaken the spirit and do some major work on the program to come back to the heart center (universal principles which are by definition unchangeable), our inner peace becomes stable even amid the most chaotic circumstances!

Should we also have started executing on a mission that goes beyond ourselves, fulfillment will also become our best friend! 💙