Ramayana
भगवन् श्रोतुमनस ऋषयो ब्राह्मलौकिकाः । भविष्यदुत्तरं यन्मे श्वोभूते सम्प्रवर्तताम् ॥ 7-98-26 ॥
"O reverend one, the sages who dwell in Brahma's world are eager to hear; let that future Uttara which concerns me be recited tomorrow when the day has come."
english translation