Earthworms cannot be painters. Those who live in the darkness can never perceive and appreciate the beauties of the light!

Every unhappy genius dreams to be in the place of a happy fool.

Heraclitus says you cannot step into the same river twice. We can also say that the same river cannot touch us twice!

In this world, there is life and death; he who misses the life shall never die anymore, because he is already a dead!

A man with a warm heart is no different than a warm house in the middle of a bitter winter!

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!

Science is a seagull, it knows the sky; it is a squirrel, it knows the forest; it is a mole, it knows the underground; it is a dolphin, it knows the ocean! Science is a multi-talented creature!