He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

Learning never exhausts the mind.

Simplicity is the ultimate sophistication.

A beautiful body perishes, but a work of art dies not.

To make a perfume, take some rose water and wash your hands in it, then take a lavender flower and rub it with your palms, and you will achieve the desired effect

Being willing is not enough. We must do.

Learning is the only thing the mind never exhausts, never fears, and never regrets.

There are three classes of people: those who see, those who see when they are shown, those who do not see.

Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works.

Whatever you do in life, if you want to be creative and intelligent, and develop your brain, you must do everything with the awareness that everything, in some way, connects to everything else.

When you put your hand in a flowing stream, you touch the last that has gone before and the first of what is still to come.

How charming is divine Philosophy! Not harsh, and crabbed as dull fools suppose, But musical as is Apollo's lute, And a perpetual feast of nectar'd sweets, Where no crude surfet raigns.

Men of passion and vision are often seen as mad.

Your worst enemy is not the person in opposition to you. It is the person occupying the spot you would be fighting from and doing nothing.

Define success on your own terms, achieve it by your own rules, and build a life you're proud to live.

Those who in principle oppose birth control are either incapable of arithmetic or else in favour of war, pestilence and famine as permanent features of human life.

Let's have a moment of silence for all those Americans who are stuck in traffic on their way to the gym to ride the stationary bicycle.

Forever - is composed of Nows - 'Tis not a different time... Let Months dissolve in further Months - And Years - exhale in Years.

If you stick a knife nine inches into my back and pull it out three inches, that is not progress.

Failure means you've now learned another valuable lesson that pushes you one step closer to success.

The first clergyman was the first rascal who met the first fool.