Measure thrice, cut once.

Bulgarian Proverb

An overflow of good converts to bad.

William Shakespeare

I have learned to use the word impossible with the greatest caution.

Werner von Braun

I shut my eyes in order to see.

Paul Gauguin

One can do without people but one has need of a friend.

Chinese Proverb

When you do something beautiful and nobody noticed, do not be sad. For the sun every morning is a beautiful spectacle, and yet most of the audience still sleeps.

John Lennon