Isavasyam idam sarvam
yat kinca jagatyam jagat. tena tyaktena bhunjitha. ma grdhah kasya svid dhanam
Isha Upanishad 1
Ekam Sat Vipra Bahudha Vadanti
Truth is one; sages call it by various names
Rig Veda 1.164.46
Ekamsantambahudhaykalpyanti
“The Absolute Truth is one but it has been described in a variety of ways by the Saints.”
Source = ?
Aano bhadra krtavo yantu vishwatah
Let noble thoughts come to us from every side.
Rigveda 1.89.1