The world is full of happiness, but in reality these happiness are in pieces, so seek happiness in every small moment, otherwise you will lose thousands of small happiness in search of one big happiness. that you may never find....
Whether a book or pen of you life is of hardwork or smart work, there should never be any stain in it, otherwise these stains will deprive your life of perfection.
Human brain is the most unique thing made by nature, If it can destroy a whole planet by making a nuclear bomb, then on the other side life on the new planet can also taught through this brain.
Your big mistake may give you a chance to stand up again, but not even a small sin of your will allow you to emerge from that suffering throughout your life.