The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.

You cannot solve current problems with current thinking. Current problems are the result of current thinking.

Be kind to people who are different from you.

Don't second guess the mistakes you've made, others will do that for you. Make things as simple as possible, but not simpler.

...and knowledge is one of the finest attributes of man - though often it is most loudly voiced by those who strive for it the least.

When I read the Bhagavad-Gita and reflect about how God created this universe everything else seems so superfluous

The discovery of nuclear reactions need not bring about the destruction of mankind any more than the discovery of matches.