"The wise are instructed by reason, average minds by experience, the stupid by necessity and the brute by instinct."
"Life can only be understood backwards but it must be lived forwards."Marcus Tullius Cicero on Soren Kierkegaard
"The only source of knowledge is experience."Marcus Tullius Cicero on Albert Einstein
"Experience: that most brutal of teachers. But you learn, my God do you learn."Marcus Tullius Cicero on C. S. Lewis
"Experience is simply the name we give our mistakes."Marcus Tullius Cicero on Oscar Wilde
"A man who carries a cat by the tail learns something he can learn in no other way."Marcus Tullius Cicero on Mark Twain
"As I approve of a youth that has something of the old man in him, so I am no less pleased with an old man that has something of the youth. He that follows this rule may be old in body, but can never be so in mind."
"Advice in old age is foolish for what can be more absurd than to increase our provisions for the road the nearer we approach to our journey's end."
"The harvest of old age is the recollection and abundance of blessing previously secured."
"Old age: the crown of life, our play's last act."
"Rashness belongs to youth prudence to old age."