Whenever we touch someone's life, we leave a trace over there. Always leave good traces so that you can walk in the streets freely!

When you hear a word, think about it, no matter how dull it sounds! Because on the second thought, it may sound very clever!

Knowledge can protect you much better than a strong castle!

The Ecclesiastes of the Old Testament says there is no new thing under the sun. We can also say there is no new thing above the sun!

A man who smiles when he falls gives the Devil a good slap!

Climb the ladder only if it takes you to somewhere high! Some ascents may descend you to low places!

Man must spend much more time in extraordinary natural places to grasp much better how remarkable our planet is and to realise what a great privilege and what an enormous joy to be living here!