Hawking's humility and graciousness would be rare in any age, but particularly at a time when conceding even the slightest error is viewed as a weakness to be derided and exploited. As key scientific fields like climate change and vaccinations become politicized, this kind of rigidity also infects how we do and don't discuss them. Public-facing scientists become reluctant to concede uncertainty about data for fear that the admission will undermine funding and support for their research. The result: well-intentioned intellectuals who feel obligated to present science as a series of truths not to be argued or doubted.
If Hawking’s life can teach scientists, public intellectuals and social media users anything, it's that humility and a willingness to change one's mind isn't a sign of weakness, but rather of an adventurous and intellectually engaged mind and polity. That's a legacy as worthy as Hawking's monumental scientific achievements.