I was going through my book looking for good passages that I will use in a philosophy unit in one of my classes. This passage stood out to me:

Thoreau

We should be blessed if we lived in the present always, and took advantage of every accident that befell us, like the grass which confesses the influence of the slightest dew that falls on it; and did not spend our time in atoning for the neglect of past opportunities.

We loiter in winter while it is already spring.

Tao

Earlier, Thoreau warned not to try to turn spring into summer; here he warns not to obsess on the past. Lao Tzu said:

Why was it that the ancients prized this Tao so much? Because it could be got by seeking for it, and the guilty could use it to escape the stain of guilt. This is the reason that all under heaven consider it a valuable thing.

Learn from mistakes and missed opportunities and apply this learning going forward.  Practice forgiving yourself, especially if you have accepted the lessons from your mistakes.

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