Sometimes you have to be silent to be heard.
You will always find some Eskimo ready to instruct the Congolese on how to cope with heatwaves.
An empty envelope that is sealed contains a secret.
The only fool bigger than the person who knows it all is the person who argues with him.
When smashing monuments, save the pedestals - they always come in handy.
Whenever man begins to doubt himself, he does something so stupid that he is reassured.