Stubborn and ardent clinging to one's opinion is the best proof of stupidity.
What's done can't be undone.
When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.
Nothing is softer or more flexible than water, yet nothing can resist it.
You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.
If a man could have half of his wishes, he would double his troubles.
A friend to all is a friend to none
It is not enough to have a good mind; the main thing is to use it well.
Without courage, wisdom bears no fruit.
The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.
Property is surely a right of mankind as real as liberty.
When playing board-games which involve quizzes etc, you will always know the answers to everyone else's set of questions but never your own.
In the practice of tolerance, one's enemy is the best teacher.
Love one another, but make not a bond of love: Let it rather be a moving sea between the shores of your souls.
Don't criticize what you can't understand.
Honesty is the first chapter in the book of wisdom.
It is easy to be brave at a safe distance.
Be realistic: Plan for a miracle
One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.
The only limit to our realization of tomorrow will be our doubts of today.
Love make us poets, and the approach of death should make us philosophers.