"It's like we have yesterday, today and tomorrow all in the same room. Anything could happen!" Bob Dylan
In medicinal quantities yes - also known as Laudinum. Today it is called Morphine and yes I have a bottle of it too.
That was a philosophy of Dr. Maria Montessori also. A great educator, and I was a Montessori teacher in the past... it works well.
Yeah, I like and appreciate the quote because life isn't linear. So people should be proud of growing and improving not about getting something done right away.