Science without conscience is the death of the soul.

The safest course is to do nothing against one's conscience. With this secret we can enjoy life and have no fear from death.

Conscience is the root of all true courage if a man would be brave let him obey his conscience.

If we are to survive we must have ideas vision and courage. These things are rarely produced by committees. Everything that matters in our intellectual and moral life begins with an individual confronting his own mind and conscience in a room by himself.

Courage without conscience is a wild beast.

I follow my conscience - and this is upsetting to some people but I maintain the conscience is going to be the only thing between us and communication in the future.

Every human has four endowments- self awareness conscience independent will and creative imagination. These give us the ultimate human freedom... The power to choose to respond to change.

It behooves every man who values liberty of conscience for himself to resist invasions of it in the case of others: or their case may by change of circumstances become his own.

I don't run a car have never run a car. I could say that this is because I have this extremely tender environmentalist conscience but the fact is I hate driving.

People who have tried it tell me that a clear conscience makes you very happy and contented but a full stomach does the business quite as well and is cheaper and more easily obtained.