Freeze, freeze in the winter, if you really want to appreciate the summer! Walk, walk at the edge of the precipices, if you rightly want to learn the meaning of the safety! Switch the lights off, if you want to see the amazing beauty of the light!

Even just seconds ahead is unknown; even just seconds after is open to infinite possibilities.

With the softest hand, you can shape the hardest rocks!

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!

In deep waters, you encounter only the wise and the brave; in shallow waters, the ignorant and the coward!

You have friends and one of them is your best friend. And now, make the nature as your second best friend and spend time often with it!

Happiness is the twin sister of optimism and the twin brother of contentment.