Rohinton Mistry said this quote

...loss is essential, loss is part and parcel of that necessary calamity called life. Mind you, I'm not complaining. Thanks to some inexplicable universal guiding force, it is always the worthless things we lose - slough off, like a moulting snake. Losing and losing again, is the very basis of the process, til all we are left with is the bare essence of human existence...