In the fields of observation, chance favors only the prepared mind.

Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity.

Rule No. 1: Never lose money. Rule No. 2: Never forget Rule No. 1.

-- Warren Buffett

Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

-- Albert Einstein

A new scientific truth does not triumph by convincing its opponents, but rather because its opponents eventually die and a new generation grows up familiar with it.

-- Max Planck

An expert is a man who has made all the mistakes which can be made, in a narrow field.

-- Niels Bohr

However difficult life may seem, there is always something you can do and succeed at.

-- Stephen Hawking

If I have seen further it is by standing on the shoulders of Giants.

-- Isaac Newton