Jesus spoke these words in both these versus:
John 14:27 Peace I leave with you; my peace I give to you. Not as the world gives do I give to you. Let not your hearts be troubled, neither let them be afraid.
John 16:33 I have said these things to you, that in me you may have peace. In the world you will have tribulations. But take heart; I have overcome the world.
The times I experience the most peace are when I am spending alone time with Jesus; seeking Him, quietly listening, laying it all at His feet, soaking in and meditating on His words.
Peace and blessings, Tanya Phillips