Great minds discuss ideas. Average minds discuss events. Small minds discuss people.
The measure of intelligence is the ability to change.
It is not that I'm so smart. But I stay with the questions much longer.
The man of knowledge must be able not only to love his enemies but also to hate his friends.
Quotation is a serviceable substitute for wit.
You might be poor, your shoes might be broken, but your mind is a palace.
I did then what I knew how to do. Now that I know better, I do better.
I am so clever that sometimes I don't understand a single word of what I am saying.
But if you do not find an intelligent companion, a wise and well-behaved person going the same way as yourself, then go on your way alone, like a king abandoning a conquered kingdom, or like a great elephant in the deep forest.
Imagination is more important the knowledge. Knowledge is limited. Imagination encircles the world.