If it is not right do not do it; if it is not true do not say it.

Marcus Aurelius

Si me ofreciesen la sabiduría con la condición de guardarla para mí sin comunicarla a nadie, no la querría.

Séneca

All we have to decide is what to do with the time that is given us.

J.R.R. Tolkien

Los hombres buscan el descanso en la lucha contra las dificultades; y cuando los han conquistado, el descanso se vuelve insoportable.

Blaise Pascal

Science can flourish only in an atmosphere of free speech.

Albert Einstein

What is history? Its beginning is that of the centuries of systematic work devoted to the solution of the enigma of death, so that death itself may eventually be overcome. That is why people write symphonies, and why they discover mathematical infinity and electromagnetic waves.

Boris Pasternak