This quote essentially emphasizes the importance of conviction and sincerity in our responses. Saying ‘yes’ with an open heart implies that when we agree to something, it should be with full enthusiasm, commitment, and willingness. It shouldn’t be a half-hearted acceptance, but rather a wholehearted embrace of the decision, task, or request at hand.

On the other hand, saying ‘no’ without fear suggests that when we need to decline or disagree, we should do so confidently and without apprehension. Often, fear of judgment, retribution, or conflict can lead us to agree to things we don’t truly want to. This part of the quote encourages us to stand our ground, assert our boundaries, and express our dissent fearlessly when necessary.

In today’s world, this quote is highly relevant. In personal development, it can be applied to various aspects like setting boundaries, making decisions, and handling relationships. For instance, in a professional setting, if a task aligns with your interests and abilities, you should accept it with an open heart, i.e., with enthusiasm and commitment. Conversely, if a task doesn’t align with your professional growth or personal values, you should be able to decline it without fear.

Similarly, in personal relationships, this quote encourages us to be true to ourselves. If we genuinely want to do something for a loved one, we should do it wholeheartedly. However, if something doesn’t sit right with us, we should have the courage to say ‘no’ without fear of ruining the relationship.

This quote, thus, promotes authenticity, courage, and integrity in our responses, urging us to be true to ourselves and others in all our interactions.