"I am no poet, but if you think for a moment of the energy that is in a single drop of water, you will see a poetry in it."

"The world is full of things that are wonderful, but we only see them when we are looking for them."

"I have often been accused of being a dreamer, but I have found that dreams can become reality."

"I have always tried to make my lectures as clear and simple as possible, so that they may be understood by all."

"I can at any moment convert my time into money, but I do not require more of the latter than is sufficient for necessary purposes."