Man is subject to innumerable pains and sorrows by the very condition of humanity, and yet, as if nature had not sown evils enough in life, we are continually adding grief to grief and aggravating the common calamity by our cruel treatment of one another.
If you don't accept failure as a possibility, you don't set high goals, you don't branch out, you don't try - you don't take the risk.
Yesterday's the past, tomorrow's the future, but today is a gift. That's why it's called the present.