A grandmaster must memorize thousands of chess duels in his head, as these are for him what words of the mother tongue are to the ordinary people and what notes are to a musician.

Ultimately, what separates a Winner from a Loser at the Grandmaster level is the Willingness to do the Unthinkable.

Many Republicans who traditionally were for a positive role in the world, anti-Russian, now they want to defend their party and leader, and they don't care about real arguments. The paradox is the Democrats were so timid in criticising Vladimir Putin. Barack Obama appeased him and now they are criticising Putin's interference in American democracy. It is a strange reversal of the roles.

Once I spoke about this subject among a group of English intellectuals. One of them was a professor on Roman Law at one of the leading British universities. I asked him,what was the official language of the Byzantine Empire? He said, maybe sometime in the sixth or the seventh century.The Justinian Codex, the rule of law in the Byzantine Empire which was produced by Emperor Justinian, it was written in Latin.And he looked at me ,he knew that I knew already that the only original copy was found in the beginning of the sixteenth century.

Attackers may sometimes regret bad moves, but it is much worse to forever regret an opportunity you allowed to pass you by.

This is the essential element that cannot be measured by any analysis or device, and I believe it's at the heart of success in all things: the power of intuition and the ability to harness and use it like a master.

Values-oriented foreign policy of the free world would be much better, supported by the self-awareness of being on the right side of history.