Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.

译文：脾气暴躁，性格偏执，多是短命之人；言语尖酸刻薄，一定是福薄之人。赏析：为人处世一定要温和低调，接人待物要温柔敦厚。脾气暴躁，戾气太重，说话尖酸刻薄，一定会招致很多人的讨厌。被人讨厌，自然身边缺少朋友，何谈有福气呢。

Once you've accepted your flaws, no one can use them against you.

Science is not just about finding answers but also about asking better questions.