uttistha jagrata
prapya varan nibodhat
ksurasya dhara nisita duratyaya
durgam pathas tat kavayo vadanti

“Please wake up and try to understand the boon that you now have in this human form of life. The path of spiritual realization is very difficult; it is sharp like a razor’s edge. That is the opinion of learned transcendental scholars.” Katha Upanisad 1.3.14