The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
The invariable mark of wisdom is to see the miraculous in the common.
A wise man gets more use from his enemies than a fool from his friends.
The past has no power over the present moment.
The only true wisdom is in knowing you know nothing.
Wisdom is not a product of schooling but of the lifelong attempt to acquire it.
The only way to do great work is to love what you do.
The more I read, the more I acquire, the more certain I am that I know nothing.
Life is a journey that must be traveled no matter how bad the roads and accommodations.
The wise man does at once what the fool does finally.
The fool doth think he is wise, but the wise man knows himself to be a fool.
Wisdom begins in wonder.
Knowing yourself is the beginning of all wisdom.
To acquire knowledge, one must study; but to acquire wisdom, one must observe.
The only limit to our realization of tomorrow will be our doubts of today.
In the end, it's not the years in your life that count. It's the life in your years.
The greatest glory in living lies not in never falling, but in rising every time we fall.
The art of being wise is knowing what to overlook.