The strongest principle of growth lies in human choice.

Impossible is just an opinion.

One can choose to go back toward safety or forward toward growth. Growth must be chosen again and again; fear must be overcome again and again.

Were it offered to my choice, I should have no objection to a repetition of the same life from its beginning, only asking the advantages authors have in a second edition to correct some faults in the first.

Free will, though it makes evil possible, is also the only thing that makes possible any love or good or joy worth having.

You cannot change your destination overnight, but you can change your direction overnight.

The self is not something ready-made, but something in continuous formation through choice of action.

The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you're in control of your life. If you don't, life controls you.

One's philosophy is not best expressed in words; it is expressed in the choices one makes.

The spirit of self-help is the root of all genuine growth in the individual; and, exhibited in the lives of many, it continues the true source of national vigor and strength. Help from without is often enfeebling in its effects, but help from within invariably invigorates.

Action expresses priorities.

The true profession of a man is to find his way to himself.

Here is the test to find whether your mission on earth is finished: if you're alive, it isn't.

There are far, far better things ahead than any we leave behind.

It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.

Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.

Peace is not the absence of war, but a virtue based on strength of character.

Plans will get you into things, but you have got to work your way out.

Out of your vulnerabilities will come your strength.

Some people believe holding on and hanging in there are signs of great strength. However, there are times when it takes much more strength to know when to let go and then do it.

Old age is no place for sissies.

The strength and power of a country depends absolutely on the quantity of good men and women in it.