We can’t be afraid of change. You may feel very secure in the pond that you are in, but if you never venture out of it, you will never know that there is such a thing as an ocean, a sea. Holding onto something that is good for you now, may be the very reason why you don’t have something better.
To improve is to change; to be perfect is to change often.
Adapt what is useful, reject what is useless, and add what is specifically your own.
Only the wisest and stupidest of men never change.
There are no conditions to which a person cannot grow accustomed, especially if he sees that everyone around him lives in the same way.
In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.
When my information changes, I alter my conclusions. What do you do, sir?
No business plan survives first contact with customers.
Neither seek nor avoid, take what comes.
Change the changeable, accept the unchangeable, and remove yourself from the unacceptable.
Change before you have to.