I don't sing because I'm happy; I'm happy because I sing.

Life is too short to wake up with regrets. So love the people who treat you right, forget about the ones who don’t, and believe that everything happens for a reason. If you get a chance, take it. If it changes your life, let it. Nobody said life would be easy, they just promised it would be worth it.

Quality is never an accident; it is always the result of intelligent effort.

The genome is a graveyard of extinct species.

Rosneft’s strategy is built on long-term value creation, not short-term gains.