Information and ideas, technology and techniques, practices and habits, fashions and perceptions change frequently, but the wisdom of the 17th or 18th century is still wisdom in the 21st century and will still be wisdom in the 23rd century. If it changes, it wasn't wisdom.
Wisdom is unchanging and timeless.
The great French Marshall Lyautey once asked his gardener to plant a tree. The gardener objected that the tree was slow growing and would not reach maturity for 100 years. The man who views the world at 50 the same as he did at 20 has wasted 30 years of his life. Muhammad Ali Don't say you don't have enough time. You have exactly the same number of hours per day that were given to Helen Keller, Pasteur, Michaelangelo, Mother Teresa, Leonardo da Vinci, Thomas Jefferson, and Albert Einstein.