The contact between the senses and sense objects gives ri...

मात्रास्पर्शास्तु कौन्तेय शीतोष्णसुखदुःखदाः। आगमापायिनोऽनित्याः तांस्तितिक्षस्व भारत॥ The contact between the senses and sense objects gives rise to feelings of cold and heat, pleasure and pain. They come and go and are impermanent. Endure them patiently, O Bharata. — Gita 2.14