The scientist should treasure the riddles he can't solve, not explain them away at the outset.

At every level the greatest obstacle to transforming the world is that we lack the clarity and imagination to conceive that it could be different

The scientist should treasure the riddles he can't solve, not explain them away at the outset.

I regard myself as a man without charm in a country of charmers.

The Amazon is not just a set of trees. It is a set of 25 million people. If we don't create real economic opportunities for them, the practical result is to encourage disorganized economic activities that results in the further destruction of the rain forest.

The embodied self is the same person who woke to the world in a burst of visonary immediacy, who soon found that he was not the center of that world but on the contrary, a dependent and even hapless creature, and who then discovered that he was doomed to die

Insofar we are death-bound, existence is urgent and frightful. Insofar as are groundless, it is vertiginous and dreamlike. Insofar as we are insatiable, it is unquiet and tormented.