Valmiki Ramayana Sundara Kanda Sarga 3 Shloka 48
Original Shlokaस हि मे समयः सौम्य प्राप्तोऽद्य तव दर्शनात्।।5.3.48।। स्वयंभू विहितः सत्यो न तस्यास्ति व्यतिक्रमः।
1 source checked for this shloka
सौम्य O gentle one, अद्य today, तव your, दर्शनात् by your appearance, मे my, सः समयः that time, प्राप्तः approached, स्वयंभूविहितः this is ordained by Brahma, सत्यः it is ture, तस्य his words, व्यतिक्रमः a different course of action, नास्ति not possible.
"O gentle one the time ordained by Brahma has come today with your presence here. The truth revealed by Brahma, the selfborn, cannot be proved otherwise.