We can't solve today's problems with the mentality that created them.

I want to go when I want. It is tasteless to prolong life artificially. I have done my share, it is time to go. I will do it elegantly.

We can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.

If you want to know the future, look at the past.

The words of language, as they are written or spoken, do not seem to play any role in my mechanism of thought. The physical entities which seem to serve as elements in thought are certain signs and more or less clear images.

Each act is an island in time, to be judged on its own.

What I seek to accomplish is simply to serve with my feeble capacity truth and justice, at the risk of pleasing no one.