If I were Opportunity, I wouldn't just knock, you'd have to sign.
I cultivate my garden, and my garden cultivates me.
A senseless tragedy remains forever tragic, but it is up to us whether it remains forever senseless.
To truly forgive is to allow the other person to forget.
In the end you regret less the things you believed that weren't true than the things that never came true because you didn't believe.
When it seems that something can't be done, start it, and see if the rest of it can be done.