Receiving a new truth is like adding a new sense.

If you want to become a chemist, you will have to ruin your health. If you don't ruin your health studying, you won't accomplish anything these days in chemistry. Liebig's advice to Kekulé.

Chocolate is a perfect food, as wholesome as it is delicious, a beneficent restorer of exhausted power...it is the best friend of those engaged in literary pursuits.

The secret of all those who make discoveries is that they regard nothing as impossible.

Chemistry, in its application to animals and vegetables. Endeavours jointly with physiology to enlighten us respecting the mysterious processes and sources of organic life.

Observation is like a piece of glass, which, as a mirror, must be very smooth, and must be very carefully polished, in order that it may reflect the image pure and undistorted.

The more fodder, the more flesh; the more flesh, the more manure; the more manure, the more grain.

A fact acquires its true and full value only through the idea which is developed from it.

If it is impossible to judge merit and guilt in the field of natural science, then it is not possible in any field, and historical research becomes an idle, empty activity.

The progress of mankind is due exclusively to the progress of natural sciences, not to morals, religion or philosophy.

In the progressive growth of astronomy, physics or mechanical science was developed, and when this had been, to a certain degree, successfully cultivated, it gave birth to the science of chemistry.

He brooded on how close destruction always was to all creatures, animals as well as humans, and he realized that there is nothing we can predict or know for certain in this world except death.

The more you focus on the positive and the beauty around you, the more positive and peaceful your life will be.

Really advanced civilization is based on advances in energy.

I feel more comfortable in front of a camera than anywhere else.

If you travel alone, you can probably go faster. But the journey will never be as rewarding, and you probably won't be able to go as far.

I think cinema is the memory and the imagination of the country. Take the memory and imagination out of an individual, and he stops being an individual. I think its the same thing for a country.

To be a friend of the weak-that is the artist's point of departure as well as his ultimate goal.

But I don't work out. I pay people to do that for me.

Blessed be his name, who hath appointed the quiet night to follow the busy day, and the calm sleep to refresh the wearied limbs and to compose the troubled spirit.

You know, I feel sorry for the young artists.