True happiness is to enjoy the present, without anxious dependence upon the future, not to amuse ourselves with either hopes or fears but to rest satisfied with what we have
Seneca
Therefore do not be anxious about tomorrow, for tomorrow will be anxious for itself. Sufficient for the day is its own trouble
Matthew 6:34
The secret of health for both mind and body is not to mourn for the past, nor to worry about the future, but to live the present moment wisely and earnestly. There are only two mistakes one can make along the road to truth, not going all the way, and not starting
Gautama Buddha
Seneca and Jesus were alive during the same time, and some even speculate they were born in the same year. Everywhere we look, the greatest minds the world has ever seen seem to say the same thing, truth. Seneca, Jesus, and Buddha never met and are still on the same page. The critical question is, why aren’t you?