A verdadeira viagem de descobrimento não consiste em procurar novas paisagens, mas em ter novos olhos.
The desire for recognition is the most fundamental human desire, and it is the source of both the greatest achievements and the greatest tragedies in human history.
If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.