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

Just like the car headlights impressively illuminating the dark streets, wisdom words powerfully enlighten the dark minds!

There is an icy window before every man! Faces cannot be seen clearly! Wait for the ice to melt down!

A clever man can see the world from a cave much better than a stupid man can from the top of a mountain!

Child! Turn your face to the light, to the science, to the reason, to the truth, to the peace! Child! Be modern, be compassionate, be individual, and be independent! Child! Don't be the man of anyone or any system, don't believe in any religious stories, and don't ever be silent against any oppressor! Child, turn your face to the light and walk towards the light!

Take your tent and go for the camping! You are dying in the cities! Thousands of stars, hundreds of birds, tens of flowers are waiting for you to heal you!

When you rise quickly like a swallow, you must keep in mind that you may also fall fast like a stone!