"Hay de hecho dos cosas, ciencia y opinión; la primera engendra conocimiento, la segunda ignorancia."

“Be brave. Take risks. Nothing can substitute experience.”

“In the heat of battle when every muscle screams to give up, discipline is what separates t...”

“I would like to die on Mars. Just not on impact.”

“A chain is only as strong as its weakest link”

“I’m not arrogant enough to look back on my career and criticize my choices It’s really...”

“The great question that has never been answered, and which I have not yet been able to ans...”

“The greatest discovery of any generation is that human beings can alter their lives by alt...”

“Success is not how high you have climbed, but how you make a positive difference to the world”

“Why fit in when you were born to stand out?”

“Wanting something is not enough. You must hunger for it. Your motivation must be absolutel...”

“Life always waits for some crisis to occur before revealing itself at its most brilliant.”

“The future belongs to those who see possibilities before they become obvious”