What would life be if we had no courage to attempt anything?

Doubt must be no more than vigilance, otherwise it can become dangerous.

Christmas waves a magic wand over this world, and behold, everything is softer and more beautiful.

The worldly comforts are not for me. I am like a traveller, who takes rest under a tree in the shade and then goes on his way.

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

I believe that the very purpose of our life is to seek happiness. That is clear. Whether one believes in religion or not, whether one believes in this religion or that religion, we all are seeking something better in life. So, I think, the very motion of our life is towards happiness

To one extent, if you've seen one city slum, you've seen them all.

It is only because of problems that we grow mentally and spiritually.

Everything passes. Nobody gets anything for keeps. And that's how we've got to live.

There is one common struggle against those who have appropriated the earth, the money, and the machines.

All my life I have tried to pluck a thistle and plant a flower wherever the flower would grow in thought and mind.

Last year I sang for the Queen of England, met the president of the United States, and got an Emmy and a star on The Walk of Fame. And what did I do? I was just being myself.

Is it progress if a cannibal uses a fork?

There are two tragedies in life. One is to lose your heart's desire. The other is to gain it.

It is easier to influence strong than weak characters in life.

We make up horrors to help us cope with the real ones.

How can I go forward when I don't know which way I'm facing?

The past is the best prophet of the future.

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

The journey of a thousand miles begins with one step.

A man's true character comes out when he's drunk.