"But if you are engaging in spiritual practice your attitude is very important, it bleeds through all our practice; it may be the key conditioning factor in your study.
So you need to pay attention to it, and to cultivate it in a particular direction."
Zokestu Norman Fischer
"Set" is the mindset we take into our meditation practice.
Theoretically it doesn't really matter the mindset we bring into practice - if we stick with it the practice it will do it's thing.
But practically it can be very helpful to cultivate an attitude that supports our practice.
This is true in meditation & in almost any practice we engage in.
PONDER THIS
Before you engage in a task - be it meditation, training, connecting with family