Tree of knowledge. Warning was told in a vision-dream

The tree trunk of an oak..... the oak is the tree of knowledge.<br />Google on oaks :<br />A typical English oak tree starts producing acorns at around 40 years old, peaking in productivity around 80-120 years. Oaks, in general, can be productive for 300 years then rest for 300 years before moving on in the life cycle.<br /><br />You are reading that an oak producing acorn at 40 years ... 40 is a special number<br />A oaktree can be very old and peak in an old age, the knowledge take time.<br /><br />Oak is strong, durable and resists to fungal attack.<br />...