ROAD to Happiness

A phrase of uncertain utility referring to the four 'happiest' specialties in the field of medicine:
Radiology, Ophthalmology, Anaesthesiology, Dermatology
References in classic literature ?
There are a set of religious, or rather moral writers, who teach that virtue is the certain road to happiness, and vice to misery, in this world.
Having once set out, and felt that he had done so on this road to happiness, there was nothing on the side of prudence to stop him or make his progress slow; no doubts of her deserving, no fears of opposition of taste, no need of drawing new hopes of happiness from dissimilarity of temper.
Spare time to be friendly, it is the road to happiness. Time to dream, it is hitching your wagon to a star.
If we can do that, we're on the yellow brick road to happiness.
Ilis road to happiness was filled with some tough times wrapped in despair.
In truth, beautiful links between the Sun in Virgo and Jupiter and Pluto this week signify that the road to happiness is much closer to home than you think.
Speaking about this Stylianidou said "I believe, deep inside us, we all know the road to happiness. But many of us act against our own instincts, fearing the social consequences, which are so powerful that they make us wonder whether we did make those decisions consciously."
It's been a rocky road to happiness for the 46-year-old, who recently returned to our screens as Fi Browning in EastEnders.
She finds the possibility of love with her childhood sweetheart, Tom Davis, but will her tumultuous and sometimes violent past impede her road to happiness? An absorbing, character-driven saga smoothly brought to life by performer Alana Kerr Collins, The Unkillable Kitty O'Kane is highly recommended for both public library and personal audiobook collections.
"The findings mean that spending money on others rather than on oneself could be an alternative road to happiness," said study author Philippe Tobler.