Everything we hear is an opinion, not a fact. Everything we see is perspective, not the truth.

Marcus Aurelius

La medida de la inteligencia es la capacidad de cambiar.

Albert Einstein

Art lives from constraints and dies from freedom.

Leonardo da Vinci

The great use of life is to spend it for something that will outlast it.

William James

It is precisely in times of immunity from care that the soul should toughen itself beforehand for occasions of greater stress, and it is while fortune is kind that it should fortify itself against her violence.

Seneca

To believe in something, and not to live it, is dishonest.

Mahatma Gandhi