Shiva Purana
यदैव दुःखितः कश्चित्तदैव सुखितः परः ॥ दुर्विज्ञेयस्वभावस्य कालास्याहो विचित्रता ॥ १७ ॥
At the same time when some one is miserable another is very happy. Wonderful indeed is the unscrutable nature of Kāla.
english translation
yadaiva duHkhitaH kazcittadaiva sukhitaH paraH ॥ durvijJeyasvabhAvasya kAlAsyAho vicitratA ॥ 17 ॥
hk transliteration by Sanscript