The Irish team will be push to their physical and mental limits.

Discovery of the mental limit and early philosophical studies (1952-1966)

It was spring of 1950 when Polo became aware the existence of what he calls the mental limit.

The second sentence "Thought being does not think" explains a different meaning of the mental limit.

He calls this method 'the abandonment of mental limit'.

Which extreme exploits push willing participants to their mental and physical limits?

Everyone experiences physical and mental limits with increasing age.

Sport enables people to overcome mental limits, and that is exactly what we need in Europe.

"It's not knowing if I can push myself to my mental limits."

But you've forgotten that the flesh has physical as well as mental limits.