At the time of Caliph Omar's invasion of Egypt, the Arab officer on duty in the destruction of the library of Alexandria used two stamps with which he marked the books. One said: 'Does not agree with the Koran - heretic, must be burned'. The other said: 'Agrees with the Koran - superfluous, must be burned'.

It is those who get lost, who find the new ways.

Everyone praises the views you get from mountain tops, but no one talks about the views that they block.

At the time of Caliph Omar's invasion of Egypt, the Arab officer on duty in the destruction of the library of Alexandria used two stamps with which he marked the books. One said: 'Does not agree with the Koran - heretic, must be burned'. The other said: 'Agrees with the Koran - superfluous, must be burned'.

He who strays discovers new paths.