I must uphold my ideals, for perhaps the time will come when I shall be able to carry them out.

There is a real magic in enthusiasm. It spells the difference between mediocrity and accomplishment

You cant have a plan for your day, til you have a plan for your life.

I love Madrid. I am happy to be here. I have been here three years and hope to be here longer. But I am proud of where I come from and never forget the people I grew up with.

What is to give light must endure burning.

We can work together for a better world with men and women of goodwill, those who radiate the intrinsic goodness of humankind.

Many have had their greatness made for them by their enemies.

The mind is a superb instrument if used rightly. Used wrongly, however, it becomes very destructive. To put it more accurately... you usually don't use it at all. It uses you.

I want to go ahead of Father Time with a scythe of my own.

I just want to retire before I go senile because if I don't retire before I go senile, then I'll do more damage than good at that point.

Keep things at arm's length... If you let anything come too near you want to hold on to it. And there is nothing a man can hold on to.

When one door is closed, don't you know that many more are open

There's real poetry in the real world. Science is the poetry of reality

The American people should be made aware of the trend toward monopolization of the great public information vehicles and the concentration of more and more power over public opinion in fewer and fewer hands.

External nature is only internal nature writ large.

Society is now one polished horde, Formed of two mighty tribes, The Bores and the Bored.

Science is not only compatible with spirituality; it is a profound source of spirituality.

It is a good rule in life never to apologize. The right sort of people do not want apologies, and the wrong sort take a mean advantage of them.

We all live with the objective of being happy; our lives are all different and yet the same.

You always admire what you really don't understand.

Each soul is potentially divine.