Which phrase is inscribed in the porch of the Temple of Apollo at Delphi?
Correct answer: Know thyself

Nexus 6
The Latin version might sound familiar to fans of the film The Matrix.

Salty Jim
Keep calm and carry on! biggest laugh I've had in 700-odd levels. Brilliant! 😁

Pharphanoogan77
Know your worth. Know your limits. Know what your body is saying. Know your thoughts. And forfuksSake be a kind human!