When I was 16, I decided that I wanted to become old and wise. Old is easy.
Wisdom requires more work.
Here are a few things from my collection. The only thing necessary for the triumph of evil is for good people to do nothing. You may have to fight a battle more than once to win it. Margaret Thatcher Time lost is when we have not lived a full human life, time unenriched by experience, creative enjoyment, and suffering. Time is short for one who thinks, endless for one who yearns.