We may fairly judge of the commercial prosperity of a country from the amount of sulphuric acid it consumes.

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.

-to judge us all through the machine of the Commandant's monstrous fictions! As though they were the truth! As though history & the written word were friends, rather than adversaries!

Money is a living power that dies without its root. Money will not serve the mind that cannot match it. Is this the reason why you call it evil?

Creativity comes from trust. Trust your instincts. And never hope more than you work.

my uncle died.and i don't feel sad because he died.but i felt so sad when i realize that i will never see him alive again in my whole life.

My mother always said - "Never run after a man or a bus - there is always another one coming.

Rethink success: Few people will ever discover that the most important business they will ever run.. is their life!

If you find yourself stuck in the middle there is only one way to go, forward.

I notice that everbody who is Pro-Abortion already has been born.

I like to be lean and flexible. I'm not interested in gaining size.

I was against impunity when it comes to human rights violations. But many of us African leaders now want to leave the Rome Statute as soon as possible because of this Western arrogance.