“सर्वे भवन्तु सुखिनः, सर्वे सन्तु निरामयाः।
सर्वे भद्राणि पश्यन्तु, मा कश्चिद् दुःखभाग्भवेत्॥”
May all be happy; may all be free from illness.
May all see that which is auspicious; may no one suffer.

“धर्मार्थकाममोक्षाणामारोग्यं मूलमुत्तमम्।
आरोग्यं साधनं धर्मस्य, आरोग्यं परमंसुखम्।”

Health is the supreme foundation of Dharma (righteousness), Artha (wealth), Kama (desires), and Moksha (liberation).
Health is the means for righteousness, and health is the ultimate happiness.

“अन्नाद्भवन्ति भूतानि पर्जन्यादन्नसंभवः।
यज्ञाद्भवति पर्जन्यो यज्ञः कर्मसमुद्भवः॥”
(Bhagavad Gita 3.14)

All beings are sustained by food, food is produced by rain, rain originates from sacrifices (yajna), and sacrifices are born of prescribed actions.