“There is the world for you. Beauty, true beauty, is intangible. It is in the eye of the beholder. Something that we can lose at any moment, and the more you examine it, the more illusive it becomes. True happiness is virtue, and virtue is predicated on knowledge and righteous conduct.”
in The Alchemist of Happiness
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Abu Hamid al-Ghazali 37
Persian Muslim theologian, jurist, philosopher, and mystic 1058–1111Related quotes
The Four Cardinal Virtues: Prudence, Justice, Fortitude, Temperance (1965)

http://www.pinkvilla.com/entertainment/interviews/rani-mukerji-talks-about-her-equation-aishwarya-abhishek-kajol-aamir.
Famous Quotes

“Benevolence is more a vice of pride than a true virtue of the soul.”
First Dialogue, Delmonce
Philosophy in the Bedroom (1795)

As quoted in "Xi Jinping meets model workers" http://english.cntv.cn/20130501/102444.shtml in cctv.com English (1 May 2013).
2010s

“Stars more beautiful to the eyes than the telescope that robs them of their illusions.”