Here is another camera angle. Source

Here is a LinkedIn post from at least 1 month prior with a photo of a similar sign. Source

Here is a LinkedIn post from at least 3 weeks prior that has been edited but contains the same phrase. Source. Because the post has been edited, it does not act as standalone evidence but it is supporting evidence.

The phrase seems to be an existing slogan for the campus, and there seems to be signage with that phrase and color of background of text. The photo in the original post seems to be plausible.