Stability, Security, Comfort & Feelings

Stability :

1. the quality, state or degree of being stable as:

• the property of a body that causes it when disturbed from a condition of equilibrium or steady motion to develop forces or moments that restore the originial condition

Security :

1. the quality, state or degree of being secure as:

• freedom from fear or anxiety

Comfort :

1. strengthening aid; consolation in time of trouble or worry
   
2. a feeling of relief or encouragement
3. contented well-being
   
4. a satisfying or enjoyable experience
5. one that brings or gives comfort

Feelings :

1. an emotional state or reaction
2. capacity to respond emotionally especially with the higher emotions
   

Just few things that everybody are on a constant lookout for...
But which comes first, or are they all of the same level?