Your worst enemies won't harm you as much your own unguarded thoughts.
Be realistic, demand the impossible.
Whether you think you can, or you think you can't--you're right.
We are what we think. All that we are arises with our thoughts. With our thoughts, we make our world.
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
Worry is a misuse of imagination.
Thinking: the talking of the soul with itself.
Discovery consists of seeing what everybody has seen, and thinking what nobody has thought.
You can't find stupidity in the forest.
If everyone is thinking alike, then somebody isn't thinking.
Music stops you from thinking.
A great many people think they are thinking when they are merely rearranging their prejudices.
The best thinking has been done in solitude. The worst has been done in turmoil.
I have great belief in the fact that whenever there is chaos, it creates wonderful thinking. I consider chaos a gift.
Wisdom is nothing but a preparation of the soul, a capacity, a secret art of thinking, feeling and breathing thoughts of unity at every moment of life.