A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.?

Act as if the maxim of your action were to become through your will a general natural law

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

For a man who has done his natural duty, death is as natural as sleep.

I find it rather easy to portray a businessman. Being bland, rather cruel and incompetent comes naturally to me.

In moments of great grief, that’s where you look and immerse yourself. You realise you are not immortal, you are not a god, you are part of the natural world and you come to accept that.

Love never dies a natural death. It dies because we don't know how to replenish its source. It dies of blindness and errors and betrayals. It dies of illness and wounds; it dies of weariness, of witherings, of tarnishings.

No man has any natural authority over his fellow men.

Success is neither magical nor mysterious. Success is the natural consequence of consistently applying the basic fundamentals.

The Catholic ideal is to order the whole of life towards unity, not by the denial and destruction of the natural human values, but by bringing them into living relation with spiritual truth and spiritual reality.

The natural world is the greatest source of excitement. The greatest source of visual beauty. It is the greatest source of so much in life that makes life worth living.

We are all born sexual creatures,thank God, but it's a pity so many people despise and crush this natural gift.