Happiness and unhappiness depend upon the opinion we have of things.
幸福和不幸取决于我们对事物的看法。
I'm a fighter, and I believe in the power of love.
Understanding the past is essential for designing policies that can shape a better future.
领导力不是发号施令，而是激励他人实现共同目标。
Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.