You can't go back and change the beginning, but you can start where you are and change the endings.

If you knew the secret of life

A friend is someone who knows all about you and still loves you.

Mathematics is the foundation of all true understanding of nature.

If we could see the miracle of a single flower clearly, our whole life would change.

The butterfly counts not months but moments and has time enough.

The trouble with being punctual is that nobody's there to appreciate it.