There are two kinds of science: The black science and the white science. The science of weapon production is the black one. Working in this category of science is a great betrayal to humanity!

There are some old photographs from where if you take anything out, even a chicken or a little bird, the magic will disappear.

Fire is one of our best friends in this cold universe. Put some wood in it to show your gratitude.

Open the door by yourself instead of waiting the door to be opened by itself!

For the hard roads, you must have good shoes! And your brain and your luck are your best shoes ever!

Let your works climb the stars; but you yourself stay on the ground!

For someone who doesn't have the key, the door becomes a wall; for someone who has the key, there is no door!