Abstract Riddles

I am always coming but never arrive. I am always passing but never gone. Everyone wants more of me but no one can hold me. What am I?

I travel on air but have no wings. I can make you cry or dance. I have no language yet I am understood everywhere. What am I?

I am the price you pay for love. The greater the love, the heavier I am. I am not an illness yet I can break the strongest person. What am I?

I feed no one yet I have sustained millions through famine. I cure nothing yet the sick hold onto me. I cost nothing yet I am priceless. What am I?

I am not the absence of fear but the decision to act despite it. Animals have instinct, but only people truly have me. What am I?

Some refuse to see me even when I am directly in front of them. I hurt at first but heal in the long run. I am the same for everyone, even when people disagree. What am I?

I am born in an instant and can live forever. I never breathe yet I spread faster than disease. One of me can destroy a lifetime's reputation. What am I?

I am contagious but I am not an illness. I am free yet I am said to be the best medicine. I escape at the worst possible moments. What am I?

I am the loudest thing in an empty room. I am what you hear when all sound is gone. I am uncomfortable for many yet peaceful for few. What am I?

I have no weight yet I can crush you. I have no arms yet I can embrace you. I live in your mind but affect your whole body. What am I?

I exist all around you but I have no colour of my own. Without me you would see no colour at all. I am destroyed by darkness yet I create it. What am I?