Experience is a truer guide than the words of others.

Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.

There is a trade off - as you grow older you gain wisdom but you lose spontaneity.

Even the hard times are part of your life story. If you acknowledge them and move past them, they eventually add up to the experience that makes you wise.

If you hold a cat by the tail you learn things you cannot learn any other way.

Man's proneness to engage in war is still a fact. But wisdom born of experience should tell us that war is obsolete.