If Allah has written for you happiness, no one can steal that from you, and if He has written for your heart to break, then no-one can mend it but He, so always put your trust in Allah.
To produce things and to rear them,
To produce, but not to take possession of them,
To act, but not to rely on one's own ability,
To lead them, but not to master them -
This is called profound and secret virtue.
The secret of culture is to learn, that a few great points steadily reappear, alike in the poverty of the obscurest farm, and in the miscellany of metropolitan life, and that these few are alone to be regarded,--the escape from all false ties; courage to be what we are; and love what is simple and beautiful; independence and cheerful relation, these are the essentials,--these, and the wish to serve,--to add somewhat to the well-being of men.
Man falls from the pursuit of the ideal of plan living and high thinking the moment he wants to multiply his daily wants. Man's happiness really lies in contentment.
Most successes are unhappy. That's why they are successes - they have to reassure themselves about themselves by achieving something that the world will notice.
The best remedy for those who are afraid, lonely or unhappy is to go outside, somewhere where they can be quiet, alone with the heavens, nature and God. Because only then does one feel that all is as it should be.