This quote essentially encapsulates the concept of mindfulness and the power of the present moment. It suggests that all we truly have is the present moment, the ‘now’. The past has already happened and can’t be changed, and the future is uncertain and can’t be controlled. Therefore, the only moment we can truly experience and influence is the present moment.

The latter part of the quote, "That’s what God is, too. God is only now," can be interpreted in different ways depending on one’s spiritual or religious beliefs. However, one interpretation is that God, or the divine, exists in the present moment. This could mean that divine intervention or guidance is accessible in the present moment, or it could suggest that the divine is present in every moment of existence.

Applying this idea to today’s world or in personal development, it encourages us to be fully present and engaged in each moment of our lives. In a world where we are often distracted by technology, or worrying about the future, this quote is a reminder to focus on the ‘now’. It suggests that by being present, we can better appreciate the beauty in each moment, make more thoughtful decisions, and live a more fulfilling life.

Furthermore, it could also be seen as a call to action. Since ‘now’ is all there is, it pushes us to take action in the present moment rather than putting things off for the future. This could mean taking steps towards personal goals, making a positive change in our lives, or even just taking the time to enjoy the current moment.

In the context of personal development, this quote could be a reminder to focus on the present in order to achieve growth and improvement. By focusing on the present, we can more effectively take actions that align with our values and goals, rather than being held back by past mistakes or future fears.