John Dalton

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is most adaptable to change.

The only constant in life is change.

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

The future belongs to those who believe in the beauty of their dreams.

Happiness is not something ready-made. It comes from your own actions.

The mind is everything. What you think you become.

To live is the rarest thing in the world. Most people exist, that is all.

The only way to escape the corruptible effect of praise is to go on working.

The purpose of our lives is to be happy.

Life is really simple, but we insist on making it complicated.

The greatest glory in living lies not in never falling, but in rising every time we fall.

It is during our darkest moments that we must focus to see the light.

Believe you can and you're halfway there.

The mind is not a vessel to be filled, but a fire to be kindled.

The only impossible journey is the one you never begin.

The greatest wealth is health.

Where there is love there is life.

All bodies of sensible magnitude, whether solid or liquid, are constituted of a vast number of exceedingly small particles, or atoms of matter, bound together by a force of attraction, which is more or less powerful according to circumstances.

When two elements unite to form more than one compound, the weights of one element that combine with a fixed weight of the other are in ratios of small whole numbers.

I am myself a living instance of the fact that a man may be colour-blind and yet be able to distinguish colours.