If you have fear of some pain or suffering, you should examine whether there is anything you can do about it. If you can, there is no need to worry about it; if you cannot do anything, then there is also no need to worry.
I looked more widely around me, I studied the lives of the masses of humanity, and I saw that, not two or three, or ten, but hundreds, thousands, millions, had so understood the meaning of life that they were able both to live and to die. All these people were well acquainted with the meaning of life and death, quietly labored, endured privation and suffering, lived and died, and saw in all this, not a vain, but a good thing.
I believe that the very purpose of our life is to seek happiness. That is clear. Whether one believes in religion or not, whether one believes in this religion or that religion, we all are seeking something better in life. So, I think, the very motion of our life is towards happiness.