What is material and what is not? When the world is the end and God is the means to attain that end, that is material. When God is the end and the world is only the means to attain that end, spirituality has begun.
There are certain books in the world which every searcher for truth must know: the Bible, the Critique of Pure Reason, the Origin of Species, and Karl Marx's Capital.
If you do not know your place in the world and the meaning of your life, you should know there is something to blame; and it is not the social system, or your intellect, but the way in which you have directed your intellect.
You should know both the universal and the personal, the realm of forms and the freedom to not cling to them. The forms of the world have their place, but in another way, there is nothing there. To be free, we need to respect both of these truths.
Nature is one with rapine, a harm no preacher can heal; The Mayfly is torn by the swallow, the sparrow speared by the shrike, And the whole little wood where I sit is a world of plunder and prey.
It will remain remarkable, in whatever way our future concepts may develop, that the very study of the external world led to the scientific conclusion that the content of the consciousness is the ultimate universal reality
During bad circumstances, which is the human inheritance, you must decide not to be reduced. You have your humanity, and you must not allow anything to reduce that. We are obliged to know we are global citizens. Disasters remind us we are world citizens, whether we like it or not.