There are no eternal facts, as there are no absolute truths.

If I speak of myself in different ways, that is because I look at myself in different ways.

Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

The simple things are also the most extraordinary things, and only the wise can see them.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Whatever the mind of man creates, should be controlled by man's character

Men become wise just as they become rich, more by what they save than by what they receive.

Science may set limits to knowledge, but should not set limits to imagination.

And this sensitivity will create new friendships for you - friendships with trees, with birds, with animals, with mountains, with rivers, with oceans, with stars. Life becomes richer as love grows.

One new feature or fresh take can change everything.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.

Most of what matters in our lives takes place in our absence.

Creativity is the process of having original ideas that have value.

The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.

For we walk by faith, not by sight

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

It was a melancholy secret that reality can arouse desires but never satisfy them.

Mistakes are always forgivable, if one has the courage to admit them.

Let no man pull you low enough to hate him.

The greatest power we have is the power of choice.