Each friend represents a world in us, a world possibly not born until they arrive, and it is only by this meeting that a new world is born.

The No. 1 reason for me to launch Telegram was to build a means of communication that can't be accessed by security agencies.

Time is the most valuable thing a man can spend

Never put off till tomorrow what you can do today.

Consider that not only do negative thoughts and emotions destroy our experience of peace, they also undermine our health.

Great writing is about being honest with the audience.

Waiting for perfect is never as smart as making progress.