"Take no thought of morrow" is a phrase that means not to worry about the future or to live in the present. Some synonyms for this phrase include living in the moment, taking things as they come, letting tomorrow take care of itself, and focusing on the present. Other similar phrases include seizing the day, carpe diem, living life to the fullest, and living in the now. These phrases all emphasize the importance of living and enjoying the present moment without worrying about the future. By letting go of our worries, we can lead a more fulfilling and joyful life in the present.