Just remember, once you're over the hill you begin to pick up speed.
None but ourselves can free our minds.
An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
The only limit to our realization of tomorrow will be our doubts of today.
He who chooses the beginning of the road chooses the place it leads to.
Turn your wounds into wisdom.
The wound is the place where the Light enters you.
The most certain sign of wisdom is cheerfulness.
Today you are you! That is truer than true! There is no one alive who is you-er than you!
The best way to see Faith is to shut the eye of Reason.
Don't criticize what you can't understand.
The greatest power we have is the power of choice.
If you only read the books that everyone else is reading, you can only think what everyone else is thinking.
How often I found where I should be going only by setting out for somewhere else.
There is no question climate change is happening. The only arguable point is what part humans are playing in it.
The only real mistake is the one from which we learn nothing.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
You can best serve civilization by being against what usually passes for it.
A crust eaten in peace is better than a banquet partaken in anxiety.
If a man could have half of his wishes, he would double his troubles.
Do not say a little in many words, but a great deal in few!