When you walk, try to think nothing! You can then obtain the silence of a streetlight or a bridge; stop thinking; after that, you become all you see!

All governments like the ignorant, because their existence depends on them! If the society becomes wise, governments cannot survive, at least the bad ones cannot!

John F. Kennedy says: 'Forgive your enemies, but never forget their names.' I suggest that forgive your enemies and forget their names too! Don't leave any stone in your head; keep only the flowers, only the names of the good men!

Here is the fate of the man: To appear and to disappear!

It does matter not if the road ends; find another road!

Every door is a door opening to another door!

It is perfectly possible that a grandfather can have a more scientific mind than his grandchildren! Societies do not always go forward! Sometimes old generations are much luckier!