This quote emphasizes the belief that one can only give what they possess. The concept here is that love, harmony, and peace are internal states of being that must first be cultivated within oneself before they can be shared or given to others. It suggests that if you don’t have these qualities within you, it’s impossible to genuinely contribute or share them with others.

The first part, "If you don’t have love, harmony, and peace within you," suggests that these are not just emotions, but states of being that one must cultivate and nurture within themselves. Love here could mean self-love, acceptance, and kindness towards oneself. Harmony could refer to a sense of balance and unity within oneself, while peace could be understood as inner calmness and tranquility.

The second part, "then you can’t contribute these qualities," implies that our external actions, behaviors, and contributions to the world are a reflection of our internal state. If we are not at peace, in harmony, or in love with ourselves, it’s unlikely that we can genuinely offer these to others.

Applying this idea to today’s world, we can see that many societal issues stem from a lack of love, peace, and harmony within individuals. For instance, acts of violence, discrimination, and hatred often stem from individuals who lack inner peace, harmony, and love. This quote suggests that to change the world, we must first change ourselves. We must cultivate love, peace, and harmony within ourselves before we can effectively contribute these qualities to the world.

In terms of personal development, this quote underscores the importance of self-work and introspection. It highlights the need to nurture our mental and emotional health, cultivate self-love, find our inner peace, and seek harmony within ourselves. Once we achieve these, we can then positively influence those around us, contributing to a more loving, peaceful, and harmonious world.