If it is worth doing, it is worth overdoing.
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.
Whether I shall turn out to be the hero of my own life, or whether that station will be held by anybody else, these pages must show.
In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things.
Be thankful that you have a life, and forsake your vain and presumptuous desire for a second one.
I think the highest and lowest points are the important ones. Anything else is just...in between.
The life of inner peace, being harmonious and without stress, is the easiest type of existence.
Live as if you were living a second time, and as though you had acted wrongly the first time.
To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.
A lie told often enough becomes the truth.
Live a balanced life - learn some and think some and draw some and paint some and sing and dance and play and work everyday some.
Every time I see an adult on a bicycle, I no longer despair for the future of the human race.
Close by the Rights of Man, at the least set beside them, are the Rights of the Spirit.
There are two tragedies in life. One is to lose your heart's desire. The other is to gain it.
Is it not enough that 'things are cruel and blind'? Must we also be cruel and blind?
I think it's much more interesting to live not knowing than to have answers which might be wrong.
Old age, especially an honoured old age, has so great authority, that this is of more value than all the pleasures of youth.
Sow a thought and you get an act; Sow an act and you get a habit; Sow a habit and you get a character; Sow a character and you get a destiny.
Today, more than ever before, life must be characterized by a sense of Universal responsibility, not only nation to nation and human to human, but also human to other forms of life.
We cannot live better than in seeking to become better.
To forget is the secret of eternal youth. One grows old only through memory. There's much too little forgetting.
