If happiness always depends on something expected in the future, we are chasing a will-o'-the-wisp that ever eludes our grasp, until the future, and ourselves, vanish into the abyss of death.
Man should ever look to his last day, and no one should be called happy before his funeral.
[Lat., Ultima semper
Expectanda dies homini est, dicique beatus
Ante obitum nemo et suprema funera debet.]
I see Hermes, unsuspected, dying, well-beloved, saying to the people, "Do not weep for me, This is not my true country, I have lived banished from my true country - I now go back there, I return to the celestial sphere where every one goes in his turn."
The woods decay, the woods decay and fall, The vapours weep their burthen to the ground, Man comes and tills the field and lies beneath, And after many summer dies the swan. Me only cruel immortality Consumes: I wither slowly in thine arms, Here at the quiet limit of the world.
If you are mindful of death, it will not come as a surprise-you will not be anxious. You will feel that death is merely like changing clothes. Consequently, at that point you will be able to maintain your calmness of mind.