Sustainability isn't a trend—it's a responsibility we owe to future generations.
事实上，光的理论是我非常感兴趣的研究课题，我对光的本质形成了明确的看法。
保持渴望，保持愚钝，但最重要的是保持谦逊。
Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.