My scientific work is motivated by an irresistible longing to understand the secrets of nature not by other feelings.

Pure logical thinking cannot yield us any knowledge of the empirical world. All knowledge of reality starts from experience and ends in it.

More the knowledge lesser the Ego, lesser the knowledge, more the Ego.

In their struggle for the ethical good, teachers of religion must have the stature to give up the doctrine of a personal god.

The Nuremberg Trial of the German war criminals was tacitly based on the recognition of the principle: criminal actions cannot be excused if committed on government orders; conscience supersedes the authority of the law of the state.

Three great forces rule the world: stupidity, fear and greed.

Those who staying with the wrong reward,(eg. stay in comfort zone, etc.), long enough will get problem.