#1 – Visualize your life without the things you love
#2 – Meditate on death
#3 – Detach yourself from outcomes
#4 – Welcome discomfort
#5 – Vigorously pursue character and virtue
I’d add a couple more to this list, that may not be ancient, but are things that I am mastering, for my own happiness.
#6 – Don’t compare your experiences to others’.
#7 – Live without expectations, or at least lower them greatly.