A century ago, petroleum - what we call oil - was just an obscure commodity; today it is almost as vital to human existence as water.

ब्रह्मांड में मानव अस्तित्व सिर्फ एक चैतन्य वस्तु है, इसके सिवा और कुछ नहीं ।

Human existence basically is──a never to be completed imperfect tense.

Human-caused climate change threatens almost every aspect of human existence.

Cultivation of mind should be the ultimate aim of human existence.

To me, human existence exists on a multiple level, not just on a two-dimensional level, not just having to be identified with what you do and what you say.