The lessons of the past are ignored and obliterated in a contemporary antagonism known as the generation gap.
People can tell you to keep your mouth shut, but that doesn't stop you from having your own opinion
The only creatures that are evolved enough to convey pure love are dogs and infants.
It is not how old you are, but how you are old.
When someone leaves, it's because someone else is about to arrive.
A life not lived for others is not a life.
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
Yesterday is dead, tomorrow hasn't arrived yet. I have just one day, and I'm going to be happy in it.
I have no idea what's awaiting me, or what will happen when this all ends. For the moment I know this: there are sick people and they need curing.
My life didn't please me, so I created my life.
How wonderful it is that nobody need wait a single moment before starting to improve the world.
Life has its own hidden forces which you can only discover by living.
It is only because of problems that we grow mentally and spiritually.
Live your life as an Exclamation rather than an Explanation
Life is an ongoing process of choosing between safety (out of fear and need for defense) and risk (for the sake of progress and growth). Make the growth choice a dozen times a day.
The difficulty we have in accepting responsibility for our behaviour lies in the desire to avoid the pain of the consequences of that behaviour
Life has a certain flavour for those who have fought and risked all that the sheltered and protected can never experience.
I'd trade all my tomorrows for a single yesterday.
Every time I see an adult on a bicycle, I no longer despair for the future of the human race.
Doing nothing is happiness for children and misery for old men.
If it is worth doing, it is worth overdoing.