Rinse the quinoa under cold water.
Put quinoa, water, and salt in a pot.
Bring it to a boil, then lower the heat.
Cover and cook for 15 minutes.
Turn off the heat and let it sit.
Fluff the quinoa with a fork and let it cool.
Cut all the vegetables and set them aside.
Mix the dressing in a small bowl.
Whisk until smooth. Add water to make it thinner.
Put the quinoa and vegetables in a big bowl.
Add chickpeas, feta, olives, and parsley.
Pour the dressing on top.
Mix everything together gently