He who does not oppose evil......commands it to be done.

Many have made a trade of delusions and false miracles, deceiving the stupid multitudes.

Our life is made by the death of others.

People of higher talent work, even if they seem to do nothing

No human investigation can be called real science if it cannot be demonstrated mathematically.

Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.

Ask advice of him who governs himself well.