The first one's written in Hindi, then there's a transliteration and lastly a translation.
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'हमें तुमसे प्यार कितना, यह हम नहीं जानते, मगर जी नहीं सकते तुम्हारे बिना।'
'Hume times pyar kitna, ye hum nahi jante, magar ji nahi sakte tumhare bina.'
'I don't know how much I love you, but I cannot live without you.'
~Majrooh Sultanpuri
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So this one's a Hindi song, 'Hume Tumse Pyar Kitna', sung my Kishore Kumar and lyrics by Majrooh Sultanpuri. An evergreen Hindi classic from the 80's. Do check out the song!