If you can't explain something simply, you don't undderstand it.

I saw these terrible things,and took great part in them.

Virgil

Anyone can be polite to a king. It takes a gentleman to be polite to a beggar.

Source Unknown

Millions of people were inspired by the Apollo Program. I was five years old when I watched Apollo 11 unfold on television, and without any doubt it was a big contributor to my passions for science, engineering, and exploration.

Jeff Bezos

Nothing is to be rated higher than the value of the day.

Johann von Goethe

Be not angry that you cannot make others as you wish them to be, since you cannot make yourself as you wish to be.

Thomas a Kempis

You make mistakes, mistakes don't make you

Maxwell Maltz

The sensual and spiritual are linked together by a mysterious bond, sensed by our emotions, though hidden from our eyes. To this double nature of the visible and invisible world -- to the profound longing for the latter, coupled with the feeling of the sweet necessity for the former, we owe all sound and logical systems of philosophy, truly based on the immutable principles of our nature, just as from the same source arise the most senseless enthusiasms.

Karl Wilhelm Von Humboldt

The most important thing in life is the path to perfection, and what kind of perfection can exist if a person is proud and satisfied with himself?

Leo Tolstoy

Nine out of ten significant people have to do with money or war!

Jonathan Safran Foer

Nothing exists without its opposite.

Chris Crutcher

If people would forget about utopia! When rationalism destroyed heaven and decided to set it up here on earth, that most terrible of all goals entered human ambition. It was clear there'd be no end to what people would be made to suffer for it.

Nadine Gordimer

A Shakespearean tragedy as so far considered may be called a story of exceptional calamity leading to the death of a man in high estate. But it is clearly much more than this, and we have now to regard it from another side.

Andrew Coyle Bradley