The changes in our life must come from the impossibility to live otherwise than according to the demands of our conscience.

The best traders are those who can learn from their mistakes.

We are all strangers, even to ourselves.

The worst prison is not the one with walls and bars, but the one in our minds.

过去从未死去；它甚至不曾过去。

哲学的任务是使世界更加人性化。

煤炭仍将是能源结构的一部分，但其角色必须为更清洁的未来重新定义。