A great idea can change the world; but to change the universe, men need even much greater ideas!

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!

Beating drums while doing a kindness to somone is a very ugly show of ego!

Do not discuss the religious matters with people; do not waste your valuable time to discuss the untruth! Your time is short; spend it for the science and the art!

Use the hills to get stronger!

The first step to be a good man is this: You must deeply feel the burden of the stones someone else carrying.

When all is well in your end, it is not enough! All must be well in every end!