One who has knowledge
One, who has knowledge of religion, truth and responsibilities, gets rid of all the problems and attains spiritual happiness.
A man attains spiritual knowledge and ultimate happiness, when he maintains balance with nature.
This knowledge is the king of education, the most secret of all secrets. It is the purest knowledge, and because it gives directperception of the self by realization, it is the perfection of religion. It is everlasting, and it is joyfully performed. (9.2)
And that knowledge by which one is attached to one kind of work as the all in all, without knowledge of the truth, and which isvery meager, is said to be in the mode of darkness. (18.22)
A faithful man who is dedicated to transcendental knowledge and who subdues his senses is eligible to achieve such knowledge, andhaving achieved it he quickly attains the supreme spiritual peace. (4.39)
That knowledge by which one undivided spiritual nature is seen in all living entities, though they are divided into innumerableforms, you should understand to be in the mode of goodness. (18.20)
“If knowledge can create problems, it is not through ignorance that we can solve them.” Isaac Asimov
One can get knowledge, happiness, peace and satisfaction by performing every work with pure heart.
A person experiences spiritual strength and divine happiness by following duties and religion properly.
Just try to learn the truth by approaching a spiritual master. Inquire from him submissively and render service unto him. Theself-realized souls can impart knowledge unto you because they have seen the truth. (4.34)