In Africa there is a concept known as 'ubuntu' - the profound sense that we are human only through the humanity of others; that if we are to accomplish anything in this world it will in equal measure be due to the work and achievement of others.

People acting together as a group can accomplish things which no individual acting alone could ever hope to bring about.

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

No one has ever achieved anything significant without a chorus of critics standing on the sidelines explaining why it can't be done.

People of accomplishments rarely sit back and let things happen to them. They go out and happen to things.

It takes Rs. 10 per kms in Ahmedabad by auto- rickshaw, but it took us only Rs. 7 per kms to reach Mars.