Growth comes from taking calculated risks, not from playing it safe.
Quality is not a department; it is a responsibility of everyone in the organization.
I don't care about being famous. I care about being great.
I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.
发现恒星围绕银河系中心的超大质量黑洞运行是天体物理学的一个转折点。