It is a good thing to learn caution from the misfortunes of others.
When great evils happen, I am in the habit of looking out for what good may arise from them …
What might seem like a good idea to somebody at 21 is probably not going to seem like a good idea at 50, but you don't know that until you get there.
But then, I suppose, when with the benefit of hindsight one begins to search one's past for such 'turning points', one is apt to start seeing them everywhere.
The ancients called happy those who learned caution from the danger of others
Frederick II Hohenstaufen
Each experience through which we pass operates ultimately for our good. This is a correct attitude to adopt and we must be able to see it in that light.
The rearview mirror is always clearer than the windshield.
One person's disaster is another person's talking point.